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Finding the Fourth Proportional to 460,891.97, 691,337.96 and 145,373.48

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Solution

The fourth proportional to 460,891.97, 691,337.96 and 145,373.48 is: 218,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,891.97 : 691,337.96 = 145,373.48 : x
  2. Step 2: Convert to fraction form
    460,891.97/691,337.96 = 145,373.48/x
  3. Step 3: Cross multiply
    460,891.97x = 691,337.96 × 145,373.48
  4. Step 4: Simplify right side
    460,891.97x = 100,502,205,101.30
  5. Step 5: Solve for x
    x = 100,502,205,101.30/460,891.97
  6. Step 6: Final answer
    x = 218,060.22

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Similar ratio
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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.