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Finding the Fourth Proportional to 327,045.78, 451,446.53 and 191,124.02

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Solution

The fourth proportional to 327,045.78, 451,446.53 and 191,124.02 is: 263,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,045.78 : 451,446.53 = 191,124.02 : x
  2. Step 2: Convert to fraction form
    327,045.78/451,446.53 = 191,124.02/x
  3. Step 3: Cross multiply
    327,045.78x = 451,446.53 × 191,124.02
  4. Step 4: Simplify right side
    327,045.78x = 86,282,275,628.65
  5. Step 5: Solve for x
    x = 86,282,275,628.65/327,045.78
  6. Step 6: Final answer
    x = 263,823.23

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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.