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Finding the Fourth Proportional to 491,608.24, 737,851.92 and 251,885.68

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Solution

The fourth proportional to 491,608.24, 737,851.92 and 251,885.68 is: 378,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,608.24 : 737,851.92 = 251,885.68 : x
  2. Step 2: Convert to fraction form
    491,608.24/737,851.92 = 251,885.68/x
  3. Step 3: Cross multiply
    491,608.24x = 737,851.92 × 251,885.68
  4. Step 4: Simplify right side
    491,608.24x = 185,854,332,608.51
  5. Step 5: Solve for x
    x = 185,854,332,608.51/491,608.24
  6. Step 6: Final answer
    x = 378,053.74

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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.