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Finding the Fourth Proportional to 444,387.26, 666,565.91 and 178,076.27

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Solution

The fourth proportional to 444,387.26, 666,565.91 and 178,076.27 is: 267,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,387.26 : 666,565.91 = 178,076.27 : x
  2. Step 2: Convert to fraction form
    444,387.26/666,565.91 = 178,076.27/x
  3. Step 3: Cross multiply
    444,387.26x = 666,565.91 × 178,076.27
  4. Step 4: Simplify right side
    444,387.26x = 118,699,572,405.78
  5. Step 5: Solve for x
    x = 118,699,572,405.78/444,387.26
  6. Step 6: Final answer
    x = 267,108.40

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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.