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Finding the Fourth Proportional to 363,991.68, 546,031.26 and 344,085.12

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Solution

The fourth proportional to 363,991.68, 546,031.26 and 344,085.12 is: 516,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,991.68 : 546,031.26 = 344,085.12 : x
  2. Step 2: Convert to fraction form
    363,991.68/546,031.26 = 344,085.12/x
  3. Step 3: Cross multiply
    363,991.68x = 546,031.26 × 344,085.12
  4. Step 4: Simplify right side
    363,991.68x = 187,881,231,620.85
  5. Step 5: Solve for x
    x = 187,881,231,620.85/363,991.68
  6. Step 6: Final answer
    x = 516,169.03

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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.