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Finding the Fourth Proportional to 500,797.92, 691,118.82 and 274,443.42

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Solution

The fourth proportional to 500,797.92, 691,118.82 and 274,443.42 is: 378,741.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,797.92 : 691,118.82 = 274,443.42 : x
  2. Step 2: Convert to fraction form
    500,797.92/691,118.82 = 274,443.42/x
  3. Step 3: Cross multiply
    500,797.92x = 691,118.82 × 274,443.42
  4. Step 4: Simplify right side
    500,797.92x = 189,673,012,587.16
  5. Step 5: Solve for x
    x = 189,673,012,587.16/500,797.92
  6. Step 6: Final answer
    x = 378,741.61

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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.