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Finding the Fourth Proportional to 696,296.82, 960,887.97 and 394,490.82

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Solution

The fourth proportional to 696,296.82, 960,887.97 and 394,490.82 is: 544,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,296.82 : 960,887.97 = 394,490.82 : x
  2. Step 2: Convert to fraction form
    696,296.82/960,887.97 = 394,490.82/x
  3. Step 3: Cross multiply
    696,296.82x = 960,887.97 × 394,490.82
  4. Step 4: Simplify right side
    696,296.82x = 379,061,483,213.44
  5. Step 5: Solve for x
    x = 379,061,483,213.44/696,296.82
  6. Step 6: Final answer
    x = 544,396.40

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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.