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Finding the Fourth Proportional to 494,560.20, 741,840.30 and 433,542.90

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Solution

The fourth proportional to 494,560.20, 741,840.30 and 433,542.90 is: 650,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,560.20 : 741,840.30 = 433,542.90 : x
  2. Step 2: Convert to fraction form
    494,560.20/741,840.30 = 433,542.90/x
  3. Step 3: Cross multiply
    494,560.20x = 741,840.30 × 433,542.90
  4. Step 4: Simplify right side
    494,560.20x = 321,619,594,998.87
  5. Step 5: Solve for x
    x = 321,619,594,998.87/494,560.20
  6. Step 6: Final answer
    x = 650,314.35

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Double scale
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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.