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Finding the Fourth Proportional to 503,517.18, 755,275.80 and 171,093.18

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Solution

The fourth proportional to 503,517.18, 755,275.80 and 171,093.18 is: 256,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,517.18 : 755,275.80 = 171,093.18 : x
  2. Step 2: Convert to fraction form
    503,517.18/755,275.80 = 171,093.18/x
  3. Step 3: Cross multiply
    503,517.18x = 755,275.80 × 171,093.18
  4. Step 4: Simplify right side
    503,517.18x = 129,222,538,399.04
  5. Step 5: Solve for x
    x = 129,222,538,399.04/503,517.18
  6. Step 6: Final answer
    x = 256,639.78

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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.