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Finding the Fourth Proportional to 503,440.24, 755,044.96 and 143,604.24

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Solution

The fourth proportional to 503,440.24, 755,044.96 and 143,604.24 is: 215,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,440.24 : 755,044.96 = 143,604.24 : x
  2. Step 2: Convert to fraction form
    503,440.24/755,044.96 = 143,604.24/x
  3. Step 3: Cross multiply
    503,440.24x = 755,044.96 × 143,604.24
  4. Step 4: Simplify right side
    503,440.24x = 108,427,659,376.47
  5. Step 5: Solve for x
    x = 108,427,659,376.47/503,440.24
  6. Step 6: Final answer
    x = 215,373.45

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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.