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Finding the Fourth Proportional to 236,434.28, 326,398.28 and 150,479.78

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Solution

The fourth proportional to 236,434.28, 326,398.28 and 150,479.78 is: 207,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,434.28 : 326,398.28 = 150,479.78 : x
  2. Step 2: Convert to fraction form
    236,434.28/326,398.28 = 150,479.78/x
  3. Step 3: Cross multiply
    236,434.28x = 326,398.28 × 150,479.78
  4. Step 4: Simplify right side
    236,434.28x = 49,116,338,982.39
  5. Step 5: Solve for x
    x = 49,116,338,982.39/236,434.28
  6. Step 6: Final answer
    x = 207,737.81

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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.