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Finding the Fourth Proportional to 503,517.51, 694,868.72 and 274,089.69

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Solution

The fourth proportional to 503,517.51, 694,868.72 and 274,089.69 is: 378,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,517.51 : 694,868.72 = 274,089.69 : x
  2. Step 2: Convert to fraction form
    503,517.51/694,868.72 = 274,089.69/x
  3. Step 3: Cross multiply
    503,517.51x = 694,868.72 × 274,089.69
  4. Step 4: Simplify right side
    503,517.51x = 190,456,350,685.05
  5. Step 5: Solve for x
    x = 190,456,350,685.05/503,517.51
  6. Step 6: Final answer
    x = 378,251.69

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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.