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Finding the Fourth Proportional to 444,167.12, 666,286.32 and 144,642.08

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Solution

The fourth proportional to 444,167.12, 666,286.32 and 144,642.08 is: 216,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,167.12 : 666,286.32 = 144,642.08 : x
  2. Step 2: Convert to fraction form
    444,167.12/666,286.32 = 144,642.08/x
  3. Step 3: Cross multiply
    444,167.12x = 666,286.32 × 144,642.08
  4. Step 4: Simplify right side
    444,167.12x = 96,373,039,200.35
  5. Step 5: Solve for x
    x = 96,373,039,200.35/444,167.12
  6. Step 6: Final answer
    x = 216,974.73

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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.