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Finding the Fourth Proportional to 291,892.91, 437,703.29 and 151,613.87

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Solution

The fourth proportional to 291,892.91, 437,703.29 and 151,613.87 is: 227,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,892.91 : 437,703.29 = 151,613.87 : x
  2. Step 2: Convert to fraction form
    291,892.91/437,703.29 = 151,613.87/x
  3. Step 3: Cross multiply
    291,892.91x = 437,703.29 × 151,613.87
  4. Step 4: Simplify right side
    291,892.91x = 66,361,888,950.56
  5. Step 5: Solve for x
    x = 66,361,888,950.56/291,892.91
  6. Step 6: Final answer
    x = 227,350.12

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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.