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Finding the Fourth Proportional to 493,792.72, 740,535.96 and 178,208.62

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Solution

The fourth proportional to 493,792.72, 740,535.96 and 178,208.62 is: 267,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,792.72 : 740,535.96 = 178,208.62 : x
  2. Step 2: Convert to fraction form
    493,792.72/740,535.96 = 178,208.62/x
  3. Step 3: Cross multiply
    493,792.72x = 740,535.96 × 178,208.62
  4. Step 4: Simplify right side
    493,792.72x = 131,969,891,491.98
  5. Step 5: Solve for x
    x = 131,969,891,491.98/493,792.72
  6. Step 6: Final answer
    x = 267,257.67

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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.