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Finding the Fourth Proportional to 220,550.40, 304,358.40 and 164,044.80

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Solution

The fourth proportional to 220,550.40, 304,358.40 and 164,044.80 is: 226,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,550.40 : 304,358.40 = 164,044.80 : x
  2. Step 2: Convert to fraction form
    220,550.40/304,358.40 = 164,044.80/x
  3. Step 3: Cross multiply
    220,550.40x = 304,358.40 × 164,044.80
  4. Step 4: Simplify right side
    220,550.40x = 49,928,412,856.32
  5. Step 5: Solve for x
    x = 49,928,412,856.32/220,550.40
  6. Step 6: Final answer
    x = 226,380.97

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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.