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Finding the Fourth Proportional to 695.92, 1,042.52 and 565.88

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Solution

The fourth proportional to 695.92, 1,042.52 and 565.88 is: 847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.92 : 1,042.52 = 565.88 : x
  2. Step 2: Convert to fraction form
    695.92/1,042.52 = 565.88/x
  3. Step 3: Cross multiply
    695.92x = 1,042.52 × 565.88
  4. Step 4: Simplify right side
    695.92x = 589,941.22
  5. Step 5: Solve for x
    x = 589,941.22/695.92
  6. Step 6: Final answer
    x = 847.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.