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Finding the Fourth Proportional to 444,408, 666,681.52 and 144,819.04

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Solution

The fourth proportional to 444,408, 666,681.52 and 144,819.04 is: 217,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,408 : 666,681.52 = 144,819.04 : x
  2. Step 2: Convert to fraction form
    444,408/666,681.52 = 144,819.04/x
  3. Step 3: Cross multiply
    444,408x = 666,681.52 × 144,819.04
  4. Step 4: Simplify right side
    444,408x = 96,548,177,712.14
  5. Step 5: Solve for x
    x = 96,548,177,712.14/444,408
  6. Step 6: Final answer
    x = 217,251.21

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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.