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Finding the Fourth Proportional to 491,458.29, 737,187.72 and 136,472.34

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Solution

The fourth proportional to 491,458.29, 737,187.72 and 136,472.34 is: 204,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,458.29 : 737,187.72 = 136,472.34 : x
  2. Step 2: Convert to fraction form
    491,458.29/737,187.72 = 136,472.34/x
  3. Step 3: Cross multiply
    491,458.29x = 737,187.72 × 136,472.34
  4. Step 4: Simplify right side
    491,458.29x = 100,605,733,167.67
  5. Step 5: Solve for x
    x = 100,605,733,167.67/491,458.29
  6. Step 6: Final answer
    x = 204,708.59

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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.