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Finding the Fourth Proportional to 496,818.60, 744,856.92 and 159,666.90

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Solution

The fourth proportional to 496,818.60, 744,856.92 and 159,666.90 is: 239,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,818.60 : 744,856.92 = 159,666.90 : x
  2. Step 2: Convert to fraction form
    496,818.60/744,856.92 = 159,666.90/x
  3. Step 3: Cross multiply
    496,818.60x = 744,856.92 × 159,666.90
  4. Step 4: Simplify right side
    496,818.60x = 118,928,995,359.95
  5. Step 5: Solve for x
    x = 118,928,995,359.95/496,818.60
  6. Step 6: Final answer
    x = 239,381.12

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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.