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Finding the Fourth Proportional to 561,205.70, 841,808.55 and 561,205.70

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Solution

The fourth proportional to 561,205.70, 841,808.55 and 561,205.70 is: 841,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,205.70 : 841,808.55 = 561,205.70 : x
  2. Step 2: Convert to fraction form
    561,205.70/841,808.55 = 561,205.70/x
  3. Step 3: Cross multiply
    561,205.70x = 841,808.55 × 561,205.70
  4. Step 4: Simplify right side
    561,205.70x = 472,427,756,568.74
  5. Step 5: Solve for x
    x = 472,427,756,568.74/561,205.70
  6. Step 6: Final answer
    x = 841,808.55

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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.