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Finding the Fourth Proportional to 275,561.44, 380,248.52 and 154,675.02

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Solution

The fourth proportional to 275,561.44, 380,248.52 and 154,675.02 is: 213,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,561.44 : 380,248.52 = 154,675.02 : x
  2. Step 2: Convert to fraction form
    275,561.44/380,248.52 = 154,675.02/x
  3. Step 3: Cross multiply
    275,561.44x = 380,248.52 × 154,675.02
  4. Step 4: Simplify right side
    275,561.44x = 58,814,947,435.97
  5. Step 5: Solve for x
    x = 58,814,947,435.97/275,561.44
  6. Step 6: Final answer
    x = 213,436.78

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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.