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Finding the Fourth Proportional to 547,451.84, 755,067.24 and 471,099.56

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Solution

The fourth proportional to 547,451.84, 755,067.24 and 471,099.56 is: 649,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,451.84 : 755,067.24 = 471,099.56 : x
  2. Step 2: Convert to fraction form
    547,451.84/755,067.24 = 471,099.56/x
  3. Step 3: Cross multiply
    547,451.84x = 755,067.24 × 471,099.56
  4. Step 4: Simplify right side
    547,451.84x = 355,711,844,534.41
  5. Step 5: Solve for x
    x = 355,711,844,534.41/547,451.84
  6. Step 6: Final answer
    x = 649,759.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.