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Finding the Fourth Proportional to 440,244.54, 660,467.66 and 159,761.79

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Solution

The fourth proportional to 440,244.54, 660,467.66 and 159,761.79 is: 239,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,244.54 : 660,467.66 = 159,761.79 : x
  2. Step 2: Convert to fraction form
    440,244.54/660,467.66 = 159,761.79/x
  3. Step 3: Cross multiply
    440,244.54x = 660,467.66 × 159,761.79
  4. Step 4: Simplify right side
    440,244.54x = 105,517,494,799.90
  5. Step 5: Solve for x
    x = 105,517,494,799.90/440,244.54
  6. Step 6: Final answer
    x = 239,679.28

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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.