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Finding the Fourth Proportional to 503,440.26, 694,626.32 and 296,716.90

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Solution

The fourth proportional to 503,440.26, 694,626.32 and 296,716.90 is: 409,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,440.26 : 694,626.32 = 296,716.90 : x
  2. Step 2: Convert to fraction form
    503,440.26/694,626.32 = 296,716.90/x
  3. Step 3: Cross multiply
    503,440.26x = 694,626.32 × 296,716.90
  4. Step 4: Simplify right side
    503,440.26x = 206,107,366,265.56
  5. Step 5: Solve for x
    x = 206,107,366,265.56/503,440.26
  6. Step 6: Final answer
    x = 409,397.86

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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.