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Finding the Fourth Proportional to 265,750.20, 399,086.10 and 187,414.20

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Solution

The fourth proportional to 265,750.20, 399,086.10 and 187,414.20 is: 281,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,750.20 : 399,086.10 = 187,414.20 : x
  2. Step 2: Convert to fraction form
    265,750.20/399,086.10 = 187,414.20/x
  3. Step 3: Cross multiply
    265,750.20x = 399,086.10 × 187,414.20
  4. Step 4: Simplify right side
    265,750.20x = 74,794,402,162.62
  5. Step 5: Solve for x
    x = 74,794,402,162.62/265,750.20
  6. Step 6: Final answer
    x = 281,446.27

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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.