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Finding the Fourth Proportional to 440,384.33, 660,576.50 and 124,843.97

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Solution

The fourth proportional to 440,384.33, 660,576.50 and 124,843.97 is: 187,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,384.33 : 660,576.50 = 124,843.97 : x
  2. Step 2: Convert to fraction form
    440,384.33/660,576.50 = 124,843.97/x
  3. Step 3: Cross multiply
    440,384.33x = 660,576.50 × 124,843.97
  4. Step 4: Simplify right side
    440,384.33x = 82,468,988,821.60
  5. Step 5: Solve for x
    x = 82,468,988,821.60/440,384.33
  6. Step 6: Final answer
    x = 187,265.95

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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.