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Finding the Fourth Proportional to 471,363.90, 650,434.20 and 267,425.34

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Solution

The fourth proportional to 471,363.90, 650,434.20 and 267,425.34 is: 369,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,363.90 : 650,434.20 = 267,425.34 : x
  2. Step 2: Convert to fraction form
    471,363.90/650,434.20 = 267,425.34/x
  3. Step 3: Cross multiply
    471,363.90x = 650,434.20 × 267,425.34
  4. Step 4: Simplify right side
    471,363.90x = 173,942,587,082.63
  5. Step 5: Solve for x
    x = 173,942,587,082.63/471,363.90
  6. Step 6: Final answer
    x = 369,019.75

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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.