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Finding the Fourth Proportional to 624,985.92, 862,428.60 and 366,834.96

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Solution

The fourth proportional to 624,985.92, 862,428.60 and 366,834.96 is: 506,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,985.92 : 862,428.60 = 366,834.96 : x
  2. Step 2: Convert to fraction form
    624,985.92/862,428.60 = 366,834.96/x
  3. Step 3: Cross multiply
    624,985.92x = 862,428.60 × 366,834.96
  4. Step 4: Simplify right side
    624,985.92x = 316,368,960,983.86
  5. Step 5: Solve for x
    x = 316,368,960,983.86/624,985.92
  6. Step 6: Final answer
    x = 506,201.74

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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.