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Finding the Fourth Proportional to 922,614.76, 1,384,152.54 and 257,761

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Solution

The fourth proportional to 922,614.76, 1,384,152.54 and 257,761 is: 386,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,614.76 : 1,384,152.54 = 257,761 : x
  2. Step 2: Convert to fraction form
    922,614.76/1,384,152.54 = 257,761/x
  3. Step 3: Cross multiply
    922,614.76x = 1,384,152.54 × 257,761
  4. Step 4: Simplify right side
    922,614.76x = 356,780,542,862.94
  5. Step 5: Solve for x
    x = 356,780,542,862.94/922,614.76
  6. Step 6: Final answer
    x = 386,705.87

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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.