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Finding the Fourth Proportional to 500,799.83, 691,104.38 and 271,356.94

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Solution

The fourth proportional to 500,799.83, 691,104.38 and 271,356.94 is: 374,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,799.83 : 691,104.38 = 271,356.94 : x
  2. Step 2: Convert to fraction form
    500,799.83/691,104.38 = 271,356.94/x
  3. Step 3: Cross multiply
    500,799.83x = 691,104.38 × 271,356.94
  4. Step 4: Simplify right side
    500,799.83x = 187,535,969,777.40
  5. Step 5: Solve for x
    x = 187,535,969,777.40/500,799.83
  6. Step 6: Final answer
    x = 374,472.91

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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.