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Finding the Fourth Proportional to 331,045.60, 496,773.60 and 173,387.20

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Solution

The fourth proportional to 331,045.60, 496,773.60 and 173,387.20 is: 260,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,045.60 : 496,773.60 = 173,387.20 : x
  2. Step 2: Convert to fraction form
    331,045.60/496,773.60 = 173,387.20/x
  3. Step 3: Cross multiply
    331,045.60x = 496,773.60 × 173,387.20
  4. Step 4: Simplify right side
    331,045.60x = 86,134,183,537.92
  5. Step 5: Solve for x
    x = 86,134,183,537.92/331,045.60
  6. Step 6: Final answer
    x = 260,188.27

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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.