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Finding the Fourth Proportional to 958.68, 1,323.25 and 565.92

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Solution

The fourth proportional to 958.68, 1,323.25 and 565.92 is: 781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.68 : 1,323.25 = 565.92 : x
  2. Step 2: Convert to fraction form
    958.68/1,323.25 = 565.92/x
  3. Step 3: Cross multiply
    958.68x = 1,323.25 × 565.92
  4. Step 4: Simplify right side
    958.68x = 748,852.23
  5. Step 5: Solve for x
    x = 748,852.23/958.68
  6. Step 6: Final answer
    x = 781.13

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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.