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Finding the Fourth Proportional to 460,700.62, 691,085.91 and 157,000.39

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Solution

The fourth proportional to 460,700.62, 691,085.91 and 157,000.39 is: 235,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,700.62 : 691,085.91 = 157,000.39 : x
  2. Step 2: Convert to fraction form
    460,700.62/691,085.91 = 157,000.39/x
  3. Step 3: Cross multiply
    460,700.62x = 691,085.91 × 157,000.39
  4. Step 4: Simplify right side
    460,700.62x = 108,500,753,938.08
  5. Step 5: Solve for x
    x = 108,500,753,938.08/460,700.62
  6. Step 6: Final answer
    x = 235,512.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.