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Finding the Fourth Proportional to 503,116.39, 694,311.42 and 276,761.89

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Solution

The fourth proportional to 503,116.39, 694,311.42 and 276,761.89 is: 381,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,116.39 : 694,311.42 = 276,761.89 : x
  2. Step 2: Convert to fraction form
    503,116.39/694,311.42 = 276,761.89/x
  3. Step 3: Cross multiply
    503,116.39x = 694,311.42 × 276,761.89
  4. Step 4: Simplify right side
    503,116.39x = 192,158,940,847.78
  5. Step 5: Solve for x
    x = 192,158,940,847.78/503,116.39
  6. Step 6: Final answer
    x = 381,937.35

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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.