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Finding the Fourth Proportional to 493,572.66, 740,359.09 and 178,029.53

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Solution

The fourth proportional to 493,572.66, 740,359.09 and 178,029.53 is: 267,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,572.66 : 740,359.09 = 178,029.53 : x
  2. Step 2: Convert to fraction form
    493,572.66/740,359.09 = 178,029.53/x
  3. Step 3: Cross multiply
    493,572.66x = 740,359.09 × 178,029.53
  4. Step 4: Simplify right side
    493,572.66x = 131,805,782,229.75
  5. Step 5: Solve for x
    x = 131,805,782,229.75/493,572.66
  6. Step 6: Final answer
    x = 267,044.33

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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.