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Finding the Fourth Proportional to 968.70, 1,452.98 and 352.10

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Solution

The fourth proportional to 968.70, 1,452.98 and 352.10 is: 528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.70 : 1,452.98 = 352.10 : x
  2. Step 2: Convert to fraction form
    968.70/1,452.98 = 352.10/x
  3. Step 3: Cross multiply
    968.70x = 1,452.98 × 352.10
  4. Step 4: Simplify right side
    968.70x = 511,594.26
  5. Step 5: Solve for x
    x = 511,594.26/968.70
  6. Step 6: Final answer
    x = 528.12

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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.