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Finding the Fourth Proportional to 273,922.62, 378,050.76 and 157,633.70

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Solution

The fourth proportional to 273,922.62, 378,050.76 and 157,633.70 is: 217,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,922.62 : 378,050.76 = 157,633.70 : x
  2. Step 2: Convert to fraction form
    273,922.62/378,050.76 = 157,633.70/x
  3. Step 3: Cross multiply
    273,922.62x = 378,050.76 × 157,633.70
  4. Step 4: Simplify right side
    273,922.62x = 59,593,540,086.61
  5. Step 5: Solve for x
    x = 59,593,540,086.61/273,922.62
  6. Step 6: Final answer
    x = 217,556.12

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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.