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Finding the Fourth Proportional to 650,343.47, 974,252.75 and 479,254.64

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Solution

The fourth proportional to 650,343.47, 974,252.75 and 479,254.64 is: 717,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,343.47 : 974,252.75 = 479,254.64 : x
  2. Step 2: Convert to fraction form
    650,343.47/974,252.75 = 479,254.64/x
  3. Step 3: Cross multiply
    650,343.47x = 974,252.75 × 479,254.64
  4. Step 4: Simplify right side
    650,343.47x = 466,915,143,702.72
  5. Step 5: Solve for x
    x = 466,915,143,702.72/650,343.47
  6. Step 6: Final answer
    x = 717,951.62

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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.