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Finding the Fourth Proportional to 323,169.44, 445,973.84 and 187,229.66

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Solution

The fourth proportional to 323,169.44, 445,973.84 and 187,229.66 is: 258,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,169.44 : 445,973.84 = 187,229.66 : x
  2. Step 2: Convert to fraction form
    323,169.44/445,973.84 = 187,229.66/x
  3. Step 3: Cross multiply
    323,169.44x = 445,973.84 × 187,229.66
  4. Step 4: Simplify right side
    323,169.44x = 83,499,527,266.08
  5. Step 5: Solve for x
    x = 83,499,527,266.08/323,169.44
  6. Step 6: Final answer
    x = 258,376.93

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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.