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Finding the Fourth Proportional to 444,401.78, 666,654.63 and 156,124.94

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Solution

The fourth proportional to 444,401.78, 666,654.63 and 156,124.94 is: 234,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,401.78 : 666,654.63 = 156,124.94 : x
  2. Step 2: Convert to fraction form
    444,401.78/666,654.63 = 156,124.94/x
  3. Step 3: Cross multiply
    444,401.78x = 666,654.63 × 156,124.94
  4. Step 4: Simplify right side
    444,401.78x = 104,081,414,109.47
  5. Step 5: Solve for x
    x = 104,081,414,109.47/444,401.78
  6. Step 6: Final answer
    x = 234,205.66

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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.