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Finding the Fourth Proportional to 496,743.30, 745,117.38 and 181,199.70

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Solution

The fourth proportional to 496,743.30, 745,117.38 and 181,199.70 is: 271,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,743.30 : 745,117.38 = 181,199.70 : x
  2. Step 2: Convert to fraction form
    496,743.30/745,117.38 = 181,199.70/x
  3. Step 3: Cross multiply
    496,743.30x = 745,117.38 × 181,199.70
  4. Step 4: Simplify right side
    496,743.30x = 135,015,045,720.79
  5. Step 5: Solve for x
    x = 135,015,045,720.79/496,743.30
  6. Step 6: Final answer
    x = 271,800.44

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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.