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Finding the Fourth Proportional to 624,210.17, 861,410 and 337,730.25

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Solution

The fourth proportional to 624,210.17, 861,410 and 337,730.25 is: 466,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,210.17 : 861,410 = 337,730.25 : x
  2. Step 2: Convert to fraction form
    624,210.17/861,410 = 337,730.25/x
  3. Step 3: Cross multiply
    624,210.17x = 861,410 × 337,730.25
  4. Step 4: Simplify right side
    624,210.17x = 290,924,214,652.50
  5. Step 5: Solve for x
    x = 290,924,214,652.50/624,210.17
  6. Step 6: Final answer
    x = 466,067.73

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1.5x scale

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.