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Finding the Fourth Proportional to 381,766.60, 572,883.90 and 157,234.60

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Solution

The fourth proportional to 381,766.60, 572,883.90 and 157,234.60 is: 235,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,766.60 : 572,883.90 = 157,234.60 : x
  2. Step 2: Convert to fraction form
    381,766.60/572,883.90 = 157,234.60/x
  3. Step 3: Cross multiply
    381,766.60x = 572,883.90 × 157,234.60
  4. Step 4: Simplify right side
    381,766.60x = 90,077,170,862.94
  5. Step 5: Solve for x
    x = 90,077,170,862.94/381,766.60
  6. Step 6: Final answer
    x = 235,948.28

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1.5x scale

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.