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Finding the Fourth Proportional to 444,072.48, 665,958.24 and 144,479.04

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Solution

The fourth proportional to 444,072.48, 665,958.24 and 144,479.04 is: 216,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,072.48 : 665,958.24 = 144,479.04 : x
  2. Step 2: Convert to fraction form
    444,072.48/665,958.24 = 144,479.04/x
  3. Step 3: Cross multiply
    444,072.48x = 665,958.24 × 144,479.04
  4. Step 4: Simplify right side
    444,072.48x = 96,217,007,195.29
  5. Step 5: Solve for x
    x = 96,217,007,195.29/444,072.48
  6. Step 6: Final answer
    x = 216,669.60

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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.