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Finding the Fourth Proportional to 269,443.40, 404,165.10 and 222,204.20

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Solution

The fourth proportional to 269,443.40, 404,165.10 and 222,204.20 is: 333,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,443.40 : 404,165.10 = 222,204.20 : x
  2. Step 2: Convert to fraction form
    269,443.40/404,165.10 = 222,204.20/x
  3. Step 3: Cross multiply
    269,443.40x = 404,165.10 × 222,204.20
  4. Step 4: Simplify right side
    269,443.40x = 89,807,182,713.42
  5. Step 5: Solve for x
    x = 89,807,182,713.42/269,443.40
  6. Step 6: Final answer
    x = 333,306.30

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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.