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Finding the Fourth Proportional to 968.88, 1,454.08 and 352.76

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Solution

The fourth proportional to 968.88, 1,454.08 and 352.76 is: 529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.88 : 1,454.08 = 352.76 : x
  2. Step 2: Convert to fraction form
    968.88/1,454.08 = 352.76/x
  3. Step 3: Cross multiply
    968.88x = 1,454.08 × 352.76
  4. Step 4: Simplify right side
    968.88x = 512,941.26
  5. Step 5: Solve for x
    x = 512,941.26/968.88
  6. Step 6: Final answer
    x = 529.42

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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.