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Finding the Fourth Proportional to 215,575.28, 322,934.28 and 168,608.24

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Solution

The fourth proportional to 215,575.28, 322,934.28 and 168,608.24 is: 252,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,575.28 : 322,934.28 = 168,608.24 : x
  2. Step 2: Convert to fraction form
    215,575.28/322,934.28 = 168,608.24/x
  3. Step 3: Cross multiply
    215,575.28x = 322,934.28 × 168,608.24
  4. Step 4: Simplify right side
    215,575.28x = 54,449,380,586.47
  5. Step 5: Solve for x
    x = 54,449,380,586.47/215,575.28
  6. Step 6: Final answer
    x = 252,577.11

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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.