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Finding the Fourth Proportional to 969, 1,452.88 and 352.69

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Solution

The fourth proportional to 969, 1,452.88 and 352.69 is: 528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    969 : 1,452.88 = 352.69 : x
  2. Step 2: Convert to fraction form
    969/1,452.88 = 352.69/x
  3. Step 3: Cross multiply
    969x = 1,452.88 × 352.69
  4. Step 4: Simplify right side
    969x = 512,416.25
  5. Step 5: Solve for x
    x = 512,416.25/969
  6. Step 6: Final answer
    x = 528.81

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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.