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Finding the Fourth Proportional to 273,538.58, 377,546.21 and 160,397.78

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Solution

The fourth proportional to 273,538.58, 377,546.21 and 160,397.78 is: 221,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,538.58 : 377,546.21 = 160,397.78 : x
  2. Step 2: Convert to fraction form
    273,538.58/377,546.21 = 160,397.78/x
  3. Step 3: Cross multiply
    273,538.58x = 377,546.21 × 160,397.78
  4. Step 4: Simplify right side
    273,538.58x = 60,557,571,241.69
  5. Step 5: Solve for x
    x = 60,557,571,241.69/273,538.58
  6. Step 6: Final answer
    x = 221,385.85

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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.