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Finding the Fourth Proportional to 952.55, 1,314.53 and 559.58

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Solution

The fourth proportional to 952.55, 1,314.53 and 559.58 is: 772.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.55 : 1,314.53 = 559.58 : x
  2. Step 2: Convert to fraction form
    952.55/1,314.53 = 559.58/x
  3. Step 3: Cross multiply
    952.55x = 1,314.53 × 559.58
  4. Step 4: Simplify right side
    952.55x = 735,589.38
  5. Step 5: Solve for x
    x = 735,589.38/952.55
  6. Step 6: Final answer
    x = 772.23

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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.