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Finding the Fourth Proportional to 322,016.70, 444,363.12 and 178,768.20

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Solution

The fourth proportional to 322,016.70, 444,363.12 and 178,768.20 is: 246,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,016.70 : 444,363.12 = 178,768.20 : x
  2. Step 2: Convert to fraction form
    322,016.70/444,363.12 = 178,768.20/x
  3. Step 3: Cross multiply
    322,016.70x = 444,363.12 × 178,768.20
  4. Step 4: Simplify right side
    322,016.70x = 79,437,995,108.78
  5. Step 5: Solve for x
    x = 79,437,995,108.78/322,016.70
  6. Step 6: Final answer
    x = 246,689.05

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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.