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Finding the Fourth Proportional to 496,764, 745,216.08 and 159,691.68

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Solution

The fourth proportional to 496,764, 745,216.08 and 159,691.68 is: 239,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,764 : 745,216.08 = 159,691.68 : x
  2. Step 2: Convert to fraction form
    496,764/745,216.08 = 159,691.68/x
  3. Step 3: Cross multiply
    496,764x = 745,216.08 × 159,691.68
  4. Step 4: Simplify right side
    496,764x = 119,004,807,778.21
  5. Step 5: Solve for x
    x = 119,004,807,778.21/496,764
  6. Step 6: Final answer
    x = 239,560.05

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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.