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Finding the Fourth Proportional to 968.84, 1,453.26 and 352.53

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Solution

The fourth proportional to 968.84, 1,453.26 and 352.53 is: 528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.84 : 1,453.26 = 352.53 : x
  2. Step 2: Convert to fraction form
    968.84/1,453.26 = 352.53/x
  3. Step 3: Cross multiply
    968.84x = 1,453.26 × 352.53
  4. Step 4: Simplify right side
    968.84x = 512,317.75
  5. Step 5: Solve for x
    x = 512,317.75/968.84
  6. Step 6: Final answer
    x = 528.80

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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.