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Finding the Fourth Proportional to 503,217.56, 694,426.02 and 276,863.08

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Solution

The fourth proportional to 503,217.56, 694,426.02 and 276,863.08 is: 382,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,217.56 : 694,426.02 = 276,863.08 : x
  2. Step 2: Convert to fraction form
    503,217.56/694,426.02 = 276,863.08/x
  3. Step 3: Cross multiply
    503,217.56x = 694,426.02 × 276,863.08
  4. Step 4: Simplify right side
    503,217.56x = 192,260,926,729.34
  5. Step 5: Solve for x
    x = 192,260,926,729.34/503,217.56
  6. Step 6: Final answer
    x = 382,063.23

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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.