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Finding the Fourth Proportional to 225,424.77, 338,010.48 and 154,427.46

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Solution

The fourth proportional to 225,424.77, 338,010.48 and 154,427.46 is: 231,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,424.77 : 338,010.48 = 154,427.46 : x
  2. Step 2: Convert to fraction form
    225,424.77/338,010.48 = 154,427.46/x
  3. Step 3: Cross multiply
    225,424.77x = 338,010.48 × 154,427.46
  4. Step 4: Simplify right side
    225,424.77x = 52,198,099,879.78
  5. Step 5: Solve for x
    x = 52,198,099,879.78/225,424.77
  6. Step 6: Final answer
    x = 231,554.41

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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.