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Finding the Fourth Proportional to 629,871,243.70, 944,806,865.55 and 591,607,491.70

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Solution

The fourth proportional to 629,871,243.70, 944,806,865.55 and 591,607,491.70 is: 887,411,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,871,243.70 : 944,806,865.55 = 591,607,491.70 : x
  2. Step 2: Convert to fraction form
    629,871,243.70/944,806,865.55 = 591,607,491.70/x
  3. Step 3: Cross multiply
    629,871,243.70x = 944,806,865.55 × 591,607,491.70
  4. Step 4: Simplify right side
    629,871,243.70x = 558,954,819,868,974,656
  5. Step 5: Solve for x
    x = 558,954,819,868,974,656/629,871,243.70
  6. Step 6: Final answer
    x = 887,411,237.55

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Half scale
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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.