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Finding the Fourth Proportional to 624,210.68, 861,410.69 and 337,730.76

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Solution

The fourth proportional to 624,210.68, 861,410.69 and 337,730.76 is: 466,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,210.68 : 861,410.69 = 337,730.76 : x
  2. Step 2: Convert to fraction form
    624,210.68/861,410.69 = 337,730.76/x
  3. Step 3: Cross multiply
    624,210.68x = 861,410.69 × 337,730.76
  4. Step 4: Simplify right side
    624,210.68x = 290,924,885,317.17
  5. Step 5: Solve for x
    x = 290,924,885,317.17/624,210.68
  6. Step 6: Final answer
    x = 466,068.42

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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.