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Finding the Fourth Proportional to 444,487.88, 666,753.21 and 144,967.89

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Solution

The fourth proportional to 444,487.88, 666,753.21 and 144,967.89 is: 217,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,487.88 : 666,753.21 = 144,967.89 : x
  2. Step 2: Convert to fraction form
    444,487.88/666,753.21 = 144,967.89/x
  3. Step 3: Cross multiply
    444,487.88x = 666,753.21 × 144,967.89
  4. Step 4: Simplify right side
    444,487.88x = 96,657,806,004.43
  5. Step 5: Solve for x
    x = 96,657,806,004.43/444,487.88
  6. Step 6: Final answer
    x = 217,458.81

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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.