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Finding the Fourth Proportional to 267,920.20, 402,341.10 and 189,584.20

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Solution

The fourth proportional to 267,920.20, 402,341.10 and 189,584.20 is: 284,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,920.20 : 402,341.10 = 189,584.20 : x
  2. Step 2: Convert to fraction form
    267,920.20/402,341.10 = 189,584.20/x
  3. Step 3: Cross multiply
    267,920.20x = 402,341.10 × 189,584.20
  4. Step 4: Simplify right side
    267,920.20x = 76,277,515,570.62
  5. Step 5: Solve for x
    x = 76,277,515,570.62/267,920.20
  6. Step 6: Final answer
    x = 284,702.37

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1.5x scale

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.