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Finding the Fourth Proportional to 503,120.40, 694,316.94 and 276,765.88

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Solution

The fourth proportional to 503,120.40, 694,316.94 and 276,765.88 is: 381,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,120.40 : 694,316.94 = 276,765.88 : x
  2. Step 2: Convert to fraction form
    503,120.40/694,316.94 = 276,765.88/x
  3. Step 3: Cross multiply
    503,120.40x = 694,316.94 × 276,765.88
  4. Step 4: Simplify right side
    503,120.40x = 192,163,238,898.01
  5. Step 5: Solve for x
    x = 192,163,238,898.01/503,120.40
  6. Step 6: Final answer
    x = 381,942.85

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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.