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Finding the Fourth Proportional to 329,246.55, 494,033.85 and 187,200.90

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Solution

The fourth proportional to 329,246.55, 494,033.85 and 187,200.90 is: 280,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,246.55 : 494,033.85 = 187,200.90 : x
  2. Step 2: Convert to fraction form
    329,246.55/494,033.85 = 187,200.90/x
  3. Step 3: Cross multiply
    329,246.55x = 494,033.85 × 187,200.90
  4. Step 4: Simplify right side
    329,246.55x = 92,483,581,350.47
  5. Step 5: Solve for x
    x = 92,483,581,350.47/329,246.55
  6. Step 6: Final answer
    x = 280,894.61

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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.