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Finding the Fourth Proportional to 265,734.54, 398,392.56 and 132,546.24

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Solution

The fourth proportional to 265,734.54, 398,392.56 and 132,546.24 is: 198,714.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,734.54 : 398,392.56 = 132,546.24 : x
  2. Step 2: Convert to fraction form
    265,734.54/398,392.56 = 132,546.24/x
  3. Step 3: Cross multiply
    265,734.54x = 398,392.56 × 132,546.24
  4. Step 4: Simplify right side
    265,734.54x = 52,805,435,871.97
  5. Step 5: Solve for x
    x = 52,805,435,871.97/265,734.54
  6. Step 6: Final answer
    x = 198,714.99

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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.