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Finding the Fourth Proportional to 471,239.60, 650,321.89 and 267,304.28

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Solution

The fourth proportional to 471,239.60, 650,321.89 and 267,304.28 is: 368,886.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,239.60 : 650,321.89 = 267,304.28 : x
  2. Step 2: Convert to fraction form
    471,239.60/650,321.89 = 267,304.28/x
  3. Step 3: Cross multiply
    471,239.60x = 650,321.89 × 267,304.28
  4. Step 4: Simplify right side
    471,239.60x = 173,833,825,532.23
  5. Step 5: Solve for x
    x = 173,833,825,532.23/471,239.60
  6. Step 6: Final answer
    x = 368,886.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.