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Finding the Fourth Proportional to 444,412.77, 666,702.07 and 178,194.12

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Solution

The fourth proportional to 444,412.77, 666,702.07 and 178,194.12 is: 267,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,412.77 : 666,702.07 = 178,194.12 : x
  2. Step 2: Convert to fraction form
    444,412.77/666,702.07 = 178,194.12/x
  3. Step 3: Cross multiply
    444,412.77x = 666,702.07 × 178,194.12
  4. Step 4: Simplify right side
    444,412.77x = 118,802,388,665.83
  5. Step 5: Solve for x
    x = 118,802,388,665.83/444,412.77
  6. Step 6: Final answer
    x = 267,324.43

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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.