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Finding the Fourth Proportional to 441,836.91, 662,758.61 and 126,297.63

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Solution

The fourth proportional to 441,836.91, 662,758.61 and 126,297.63 is: 189,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,836.91 : 662,758.61 = 126,297.63 : x
  2. Step 2: Convert to fraction form
    441,836.91/662,758.61 = 126,297.63/x
  3. Step 3: Cross multiply
    441,836.91x = 662,758.61 × 126,297.63
  4. Step 4: Simplify right side
    441,836.91x = 83,704,841,073.61
  5. Step 5: Solve for x
    x = 83,704,841,073.61/441,836.91
  6. Step 6: Final answer
    x = 189,447.37

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1.5x scale

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.