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Finding the Fourth Proportional to 487,208.40, 730,812.60 and 337,617.60

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Solution

The fourth proportional to 487,208.40, 730,812.60 and 337,617.60 is: 506,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,208.40 : 730,812.60 = 337,617.60 : x
  2. Step 2: Convert to fraction form
    487,208.40/730,812.60 = 337,617.60/x
  3. Step 3: Cross multiply
    487,208.40x = 730,812.60 × 337,617.60
  4. Step 4: Simplify right side
    487,208.40x = 246,735,196,061.76
  5. Step 5: Solve for x
    x = 246,735,196,061.76/487,208.40
  6. Step 6: Final answer
    x = 506,426.40

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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.