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Finding the Fourth Proportional to 624,210.45, 861,410.42 and 337,730.52

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Solution

The fourth proportional to 624,210.45, 861,410.42 and 337,730.52 is: 466,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,210.45 : 861,410.42 = 337,730.52 : x
  2. Step 2: Convert to fraction form
    624,210.45/861,410.42 = 337,730.52/x
  3. Step 3: Cross multiply
    624,210.45x = 861,410.42 × 337,730.52
  4. Step 4: Simplify right side
    624,210.45x = 290,924,589,080.02
  5. Step 5: Solve for x
    x = 290,924,589,080.02/624,210.45
  6. Step 6: Final answer
    x = 466,068.12

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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.