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Finding the Fourth Proportional to 496,251.10, 744,501.36 and 159,321.88

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Solution

The fourth proportional to 496,251.10, 744,501.36 and 159,321.88 is: 239,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,251.10 : 744,501.36 = 159,321.88 : x
  2. Step 2: Convert to fraction form
    496,251.10/744,501.36 = 159,321.88/x
  3. Step 3: Cross multiply
    496,251.10x = 744,501.36 × 159,321.88
  4. Step 4: Simplify right side
    496,251.10x = 118,615,356,337.76
  5. Step 5: Solve for x
    x = 118,615,356,337.76/496,251.10
  6. Step 6: Final answer
    x = 239,022.86

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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.