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Finding the Fourth Proportional to 503,826.28, 695,311.77 and 277,471.78

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Solution

The fourth proportional to 503,826.28, 695,311.77 and 277,471.78 is: 382,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,826.28 : 695,311.77 = 277,471.78 : x
  2. Step 2: Convert to fraction form
    503,826.28/695,311.77 = 277,471.78/x
  3. Step 3: Cross multiply
    503,826.28x = 695,311.77 × 277,471.78
  4. Step 4: Simplify right side
    503,826.28x = 192,929,394,476.85
  5. Step 5: Solve for x
    x = 192,929,394,476.85/503,826.28
  6. Step 6: Final answer
    x = 382,928.41

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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.