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Finding the Fourth Proportional to 294,708.60, 441,691.20 and 126,029.52

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Solution

The fourth proportional to 294,708.60, 441,691.20 and 126,029.52 is: 188,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,708.60 : 441,691.20 = 126,029.52 : x
  2. Step 2: Convert to fraction form
    294,708.60/441,691.20 = 126,029.52/x
  3. Step 3: Cross multiply
    294,708.60x = 441,691.20 × 126,029.52
  4. Step 4: Simplify right side
    294,708.60x = 55,666,129,924.22
  5. Step 5: Solve for x
    x = 55,666,129,924.22/294,708.60
  6. Step 6: Final answer
    x = 188,885.33

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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.