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Finding the Fourth Proportional to 444,701.70, 667,073.88 and 145,182.06

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Solution

The fourth proportional to 444,701.70, 667,073.88 and 145,182.06 is: 217,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,701.70 : 667,073.88 = 145,182.06 : x
  2. Step 2: Convert to fraction form
    444,701.70/667,073.88 = 145,182.06/x
  3. Step 3: Cross multiply
    444,701.70x = 667,073.88 × 145,182.06
  4. Step 4: Simplify right side
    444,701.70x = 96,847,160,070.59
  5. Step 5: Solve for x
    x = 96,847,160,070.59/444,701.70
  6. Step 6: Final answer
    x = 217,780.05

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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.