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Finding the Fourth Proportional to 694,396.80, 958,811.14 and 532,996.20

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Solution

The fourth proportional to 694,396.80, 958,811.14 and 532,996.20 is: 735,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,396.80 : 958,811.14 = 532,996.20 : x
  2. Step 2: Convert to fraction form
    694,396.80/958,811.14 = 532,996.20/x
  3. Step 3: Cross multiply
    694,396.80x = 958,811.14 × 532,996.20
  4. Step 4: Simplify right side
    694,396.80x = 511,042,694,137.67
  5. Step 5: Solve for x
    x = 511,042,694,137.67/694,396.80
  6. Step 6: Final answer
    x = 735,951.97

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Double scale
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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.