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Finding the Fourth Proportional to 968.13, 1,335.96 and 526.03

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Solution

The fourth proportional to 968.13, 1,335.96 and 526.03 is: 725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.13 : 1,335.96 = 526.03 : x
  2. Step 2: Convert to fraction form
    968.13/1,335.96 = 526.03/x
  3. Step 3: Cross multiply
    968.13x = 1,335.96 × 526.03
  4. Step 4: Simplify right side
    968.13x = 702,751.70
  5. Step 5: Solve for x
    x = 702,751.70/968.13
  6. Step 6: Final answer
    x = 725.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.