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Finding the Fourth Proportional to 605,067.30, 907,600.95 and 437,105.70

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Solution

The fourth proportional to 605,067.30, 907,600.95 and 437,105.70 is: 655,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,067.30 : 907,600.95 = 437,105.70 : x
  2. Step 2: Convert to fraction form
    605,067.30/907,600.95 = 437,105.70/x
  3. Step 3: Cross multiply
    605,067.30x = 907,600.95 × 437,105.70
  4. Step 4: Simplify right side
    605,067.30x = 396,717,548,570.42
  5. Step 5: Solve for x
    x = 396,717,548,570.42/605,067.30
  6. Step 6: Final answer
    x = 655,658.55

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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.