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Finding the Fourth Proportional to 696,675.20, 960,035.52 and 494,906.24

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Solution

The fourth proportional to 696,675.20, 960,035.52 and 494,906.24 is: 681,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,675.20 : 960,035.52 = 494,906.24 : x
  2. Step 2: Convert to fraction form
    696,675.20/960,035.52 = 494,906.24/x
  3. Step 3: Cross multiply
    696,675.20x = 960,035.52 × 494,906.24
  4. Step 4: Simplify right side
    696,675.20x = 475,127,569,469.65
  5. Step 5: Solve for x
    x = 475,127,569,469.65/696,675.20
  6. Step 6: Final answer
    x = 681,992.94

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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.