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Finding the Fourth Proportional to 494,848.60, 742,272.90 and 437,767.90

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Solution

The fourth proportional to 494,848.60, 742,272.90 and 437,767.90 is: 656,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,848.60 : 742,272.90 = 437,767.90 : x
  2. Step 2: Convert to fraction form
    494,848.60/742,272.90 = 437,767.90/x
  3. Step 3: Cross multiply
    494,848.60x = 742,272.90 × 437,767.90
  4. Step 4: Simplify right side
    494,848.60x = 324,943,248,659.91
  5. Step 5: Solve for x
    x = 324,943,248,659.91/494,848.60
  6. Step 6: Final answer
    x = 656,651.85

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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.