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Finding the Fourth Proportional to 500,800.33, 691,105.07 and 271,357.44

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Solution

The fourth proportional to 500,800.33, 691,105.07 and 271,357.44 is: 374,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,800.33 : 691,105.07 = 271,357.44 : x
  2. Step 2: Convert to fraction form
    500,800.33/691,105.07 = 271,357.44/x
  3. Step 3: Cross multiply
    500,800.33x = 691,105.07 × 271,357.44
  4. Step 4: Simplify right side
    500,800.33x = 187,536,502,566.22
  5. Step 5: Solve for x
    x = 187,536,502,566.22/500,800.33
  6. Step 6: Final answer
    x = 374,473.60

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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.