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Finding the Fourth Proportional to 327,228.76, 490,686 and 194,126.32

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Solution

The fourth proportional to 327,228.76, 490,686 and 194,126.32 is: 291,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,228.76 : 490,686 = 194,126.32 : x
  2. Step 2: Convert to fraction form
    327,228.76/490,686 = 194,126.32/x
  3. Step 3: Cross multiply
    327,228.76x = 490,686 × 194,126.32
  4. Step 4: Simplify right side
    327,228.76x = 95,255,067,455.52
  5. Step 5: Solve for x
    x = 95,255,067,455.52/327,228.76
  6. Step 6: Final answer
    x = 291,096.26

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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.