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Finding the Fourth Proportional to 440,226.88, 660,438.24 and 159,737.92

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Solution

The fourth proportional to 440,226.88, 660,438.24 and 159,737.92 is: 239,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,226.88 : 660,438.24 = 159,737.92 : x
  2. Step 2: Convert to fraction form
    440,226.88/660,438.24 = 159,737.92/x
  3. Step 3: Cross multiply
    440,226.88x = 660,438.24 × 159,737.92
  4. Step 4: Simplify right side
    440,226.88x = 105,497,030,746.06
  5. Step 5: Solve for x
    x = 105,497,030,746.06/440,226.88
  6. Step 6: Final answer
    x = 239,642.41

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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.