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Finding the Fourth Proportional to 968.04, 1,335.90 and 575.24

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Solution

The fourth proportional to 968.04, 1,335.90 and 575.24 is: 793.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    968.04 : 1,335.90 = 575.24 : x
  2. Step 2: Convert to fraction form
    968.04/1,335.90 = 575.24/x
  3. Step 3: Cross multiply
    968.04x = 1,335.90 × 575.24
  4. Step 4: Simplify right side
    968.04x = 768,463.12
  5. Step 5: Solve for x
    x = 768,463.12/968.04
  6. Step 6: Final answer
    x = 793.83

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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.