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Finding the Fourth Proportional to 952.56, 1,314.63 and 559.53

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Solution

The fourth proportional to 952.56, 1,314.63 and 559.53 is: 772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.56 : 1,314.63 = 559.53 : x
  2. Step 2: Convert to fraction form
    952.56/1,314.63 = 559.53/x
  3. Step 3: Cross multiply
    952.56x = 1,314.63 × 559.53
  4. Step 4: Simplify right side
    952.56x = 735,574.92
  5. Step 5: Solve for x
    x = 735,574.92/952.56
  6. Step 6: Final answer
    x = 772.21

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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.