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Finding the Fourth Proportional to 555,687.20, 833,530.80 and 532,359.20

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Solution

The fourth proportional to 555,687.20, 833,530.80 and 532,359.20 is: 798,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,687.20 : 833,530.80 = 532,359.20 : x
  2. Step 2: Convert to fraction form
    555,687.20/833,530.80 = 532,359.20/x
  3. Step 3: Cross multiply
    555,687.20x = 833,530.80 × 532,359.20
  4. Step 4: Simplify right side
    555,687.20x = 443,737,789,863.36
  5. Step 5: Solve for x
    x = 443,737,789,863.36/555,687.20
  6. Step 6: Final answer
    x = 798,538.80

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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.