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Finding the Fourth Proportional to 494,762.50, 742,141.92 and 179,145.59

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Solution

The fourth proportional to 494,762.50, 742,141.92 and 179,145.59 is: 268,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,762.50 : 742,141.92 = 179,145.59 : x
  2. Step 2: Convert to fraction form
    494,762.50/742,141.92 = 179,145.59/x
  3. Step 3: Cross multiply
    494,762.50x = 742,141.92 × 179,145.59
  4. Step 4: Simplify right side
    494,762.50x = 132,951,452,122.13
  5. Step 5: Solve for x
    x = 132,951,452,122.13/494,762.50
  6. Step 6: Final answer
    x = 268,717.73

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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.