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Finding the Fourth Proportional to 327,337.89, 451,658.55 and 191,345.55

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Solution

The fourth proportional to 327,337.89, 451,658.55 and 191,345.55 is: 264,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,337.89 : 451,658.55 = 191,345.55 : x
  2. Step 2: Convert to fraction form
    327,337.89/451,658.55 = 191,345.55/x
  3. Step 3: Cross multiply
    327,337.89x = 451,658.55 × 191,345.55
  4. Step 4: Simplify right side
    327,337.89x = 86,422,853,661.95
  5. Step 5: Solve for x
    x = 86,422,853,661.95/327,337.89
  6. Step 6: Final answer
    x = 264,017.26

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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.