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Finding the Fourth Proportional to 609,834.84, 841,603.32 and 368,114.28

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Solution

The fourth proportional to 609,834.84, 841,603.32 and 368,114.28 is: 508,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,834.84 : 841,603.32 = 368,114.28 : x
  2. Step 2: Convert to fraction form
    609,834.84/841,603.32 = 368,114.28/x
  3. Step 3: Cross multiply
    609,834.84x = 841,603.32 × 368,114.28
  4. Step 4: Simplify right side
    609,834.84x = 309,806,200,187.41
  5. Step 5: Solve for x
    x = 309,806,200,187.41/609,834.84
  6. Step 6: Final answer
    x = 508,016.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.