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Finding the Fourth Proportional to 496,657.90, 744,986.85 and 181,125.10

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Solution

The fourth proportional to 496,657.90, 744,986.85 and 181,125.10 is: 271,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,657.90 : 744,986.85 = 181,125.10 : x
  2. Step 2: Convert to fraction form
    496,657.90/744,986.85 = 181,125.10/x
  3. Step 3: Cross multiply
    496,657.90x = 744,986.85 × 181,125.10
  4. Step 4: Simplify right side
    496,657.90x = 134,935,817,704.94
  5. Step 5: Solve for x
    x = 134,935,817,704.94/496,657.90
  6. Step 6: Final answer
    x = 271,687.65

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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.