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Finding the Fourth Proportional to 496,818.17, 745,337.21 and 181,274.16

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Solution

The fourth proportional to 496,818.17, 745,337.21 and 181,274.16 is: 271,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,818.17 : 745,337.21 = 181,274.16 : x
  2. Step 2: Convert to fraction form
    496,818.17/745,337.21 = 181,274.16/x
  3. Step 3: Cross multiply
    496,818.17x = 745,337.21 × 181,274.16
  4. Step 4: Simplify right side
    496,818.17x = 135,110,375,753.12
  5. Step 5: Solve for x
    x = 135,110,375,753.12/496,818.17
  6. Step 6: Final answer
    x = 271,951.36

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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.