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Finding the Fourth Proportional to 624,185.60, 861,376.32 and 337,705.52

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Solution

The fourth proportional to 624,185.60, 861,376.32 and 337,705.52 is: 466,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,185.60 : 861,376.32 = 337,705.52 : x
  2. Step 2: Convert to fraction form
    624,185.60/861,376.32 = 337,705.52/x
  3. Step 3: Cross multiply
    624,185.60x = 861,376.32 × 337,705.52
  4. Step 4: Simplify right side
    624,185.60x = 290,891,538,061.29
  5. Step 5: Solve for x
    x = 290,891,538,061.29/624,185.60
  6. Step 6: Final answer
    x = 466,033.72

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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.