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Finding the Fourth Proportional to 444,934.62, 666,937.71 and 220,154.76

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Solution

The fourth proportional to 444,934.62, 666,937.71 and 220,154.76 is: 330,002.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,934.62 : 666,937.71 = 220,154.76 : x
  2. Step 2: Convert to fraction form
    444,934.62/666,937.71 = 220,154.76/x
  3. Step 3: Cross multiply
    444,934.62x = 666,937.71 × 220,154.76
  4. Step 4: Simplify right side
    444,934.62x = 146,829,511,480.00
  5. Step 5: Solve for x
    x = 146,829,511,480.00/444,934.62
  6. Step 6: Final answer
    x = 330,002.44

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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.