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Finding the Fourth Proportional to 394,853.97, 592,342.89 and 170,278.23

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Solution

The fourth proportional to 394,853.97, 592,342.89 and 170,278.23 is: 255,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,853.97 : 592,342.89 = 170,278.23 : x
  2. Step 2: Convert to fraction form
    394,853.97/592,342.89 = 170,278.23/x
  3. Step 3: Cross multiply
    394,853.97x = 592,342.89 × 170,278.23
  4. Step 4: Simplify right side
    394,853.97x = 100,863,098,862.29
  5. Step 5: Solve for x
    x = 100,863,098,862.29/394,853.97
  6. Step 6: Final answer
    x = 255,444.05

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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.