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Finding the Fourth Proportional to 471,375.27, 707,129.37 and 151,419.85

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Solution

The fourth proportional to 471,375.27, 707,129.37 and 151,419.85 is: 227,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,375.27 : 707,129.37 = 151,419.85 : x
  2. Step 2: Convert to fraction form
    471,375.27/707,129.37 = 151,419.85/x
  3. Step 3: Cross multiply
    471,375.27x = 707,129.37 × 151,419.85
  4. Step 4: Simplify right side
    471,375.27x = 107,073,423,136.00
  5. Step 5: Solve for x
    x = 107,073,423,136.00/471,375.27
  6. Step 6: Final answer
    x = 227,151.13

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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.