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Finding the Fourth Proportional to 394,246.29, 544,060.10 and 212,958.23

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Solution

The fourth proportional to 394,246.29, 544,060.10 and 212,958.23 is: 293,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,246.29 : 544,060.10 = 212,958.23 : x
  2. Step 2: Convert to fraction form
    394,246.29/544,060.10 = 212,958.23/x
  3. Step 3: Cross multiply
    394,246.29x = 544,060.10 × 212,958.23
  4. Step 4: Simplify right side
    394,246.29x = 115,862,073,721.72
  5. Step 5: Solve for x
    x = 115,862,073,721.72/394,246.29
  6. Step 6: Final answer
    x = 293,882.47

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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.