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Finding the Fourth Proportional to 624,082.61, 861,233.55 and 337,602.92

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Solution

The fourth proportional to 624,082.61, 861,233.55 and 337,602.92 is: 465,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,082.61 : 861,233.55 = 337,602.92 : x
  2. Step 2: Convert to fraction form
    624,082.61/861,233.55 = 337,602.92/x
  3. Step 3: Cross multiply
    624,082.61x = 861,233.55 × 337,602.92
  4. Step 4: Simplify right side
    624,082.61x = 290,754,956,975.80
  5. Step 5: Solve for x
    x = 290,754,956,975.80/624,082.61
  6. Step 6: Final answer
    x = 465,891.78

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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.