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Finding the Fourth Proportional to 503,144.28, 694,329.30 and 276,784.92

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Solution

The fourth proportional to 503,144.28, 694,329.30 and 276,784.92 is: 381,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,144.28 : 694,329.30 = 276,784.92 : x
  2. Step 2: Convert to fraction form
    503,144.28/694,329.30 = 276,784.92/x
  3. Step 3: Cross multiply
    503,144.28x = 694,329.30 × 276,784.92
  4. Step 4: Simplify right side
    503,144.28x = 192,179,879,754.16
  5. Step 5: Solve for x
    x = 192,179,879,754.16/503,144.28
  6. Step 6: Final answer
    x = 381,957.79

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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.