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Finding the Fourth Proportional to 503,221.92, 694,436.32 and 276,871.20

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Solution

The fourth proportional to 503,221.92, 694,436.32 and 276,871.20 is: 382,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,221.92 : 694,436.32 = 276,871.20 : x
  2. Step 2: Convert to fraction form
    503,221.92/694,436.32 = 276,871.20/x
  3. Step 3: Cross multiply
    503,221.92x = 694,436.32 × 276,871.20
  4. Step 4: Simplify right side
    503,221.92x = 192,269,417,241.98
  5. Step 5: Solve for x
    x = 192,269,417,241.98/503,221.92
  6. Step 6: Final answer
    x = 382,076.79

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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.