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Finding the Fourth Proportional to 493,343.52, 740,015.31 and 119,366.52

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Solution

The fourth proportional to 493,343.52, 740,015.31 and 119,366.52 is: 179,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,343.52 : 740,015.31 = 119,366.52 : x
  2. Step 2: Convert to fraction form
    493,343.52/740,015.31 = 119,366.52/x
  3. Step 3: Cross multiply
    493,343.52x = 740,015.31 × 119,366.52
  4. Step 4: Simplify right side
    493,343.52x = 88,333,052,301.42
  5. Step 5: Solve for x
    x = 88,333,052,301.42/493,343.52
  6. Step 6: Final answer
    x = 179,049.79

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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.