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Finding the Fourth Proportional to 542,115.06, 747,873.45 and 327,186.42

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Solution

The fourth proportional to 542,115.06, 747,873.45 and 327,186.42 is: 451,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,115.06 : 747,873.45 = 327,186.42 : x
  2. Step 2: Convert to fraction form
    542,115.06/747,873.45 = 327,186.42/x
  3. Step 3: Cross multiply
    542,115.06x = 747,873.45 × 327,186.42
  4. Step 4: Simplify right side
    542,115.06x = 244,694,036,718.55
  5. Step 5: Solve for x
    x = 244,694,036,718.55/542,115.06
  6. Step 6: Final answer
    x = 451,369.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.