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Finding the Fourth Proportional to 625,893.46, 938,956.91 and 284,360.81

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Solution

The fourth proportional to 625,893.46, 938,956.91 and 284,360.81 is: 426,594.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,893.46 : 938,956.91 = 284,360.81 : x
  2. Step 2: Convert to fraction form
    625,893.46/938,956.91 = 284,360.81/x
  3. Step 3: Cross multiply
    625,893.46x = 938,956.91 × 284,360.81
  4. Step 4: Simplify right side
    625,893.46x = 267,002,548,247.27
  5. Step 5: Solve for x
    x = 267,002,548,247.27/625,893.46
  6. Step 6: Final answer
    x = 426,594.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.