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Finding the Fourth Proportional to 968.88, 1,453.44 and 352.65

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Solution

The fourth proportional to 968.88, 1,453.44 and 352.65 is: 529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.88 : 1,453.44 = 352.65 : x
  2. Step 2: Convert to fraction form
    968.88/1,453.44 = 352.65/x
  3. Step 3: Cross multiply
    968.88x = 1,453.44 × 352.65
  4. Step 4: Simplify right side
    968.88x = 512,555.62
  5. Step 5: Solve for x
    x = 512,555.62/968.88
  6. Step 6: Final answer
    x = 529.02

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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.