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Finding the Fourth Proportional to 444,787.20, 667,051.20 and 160,444.80

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Solution

The fourth proportional to 444,787.20, 667,051.20 and 160,444.80 is: 240,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,787.20 : 667,051.20 = 160,444.80 : x
  2. Step 2: Convert to fraction form
    444,787.20/667,051.20 = 160,444.80/x
  3. Step 3: Cross multiply
    444,787.20x = 667,051.20 × 160,444.80
  4. Step 4: Simplify right side
    444,787.20x = 107,024,896,373.76
  5. Step 5: Solve for x
    x = 107,024,896,373.76/444,787.20
  6. Step 6: Final answer
    x = 240,620.45

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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.