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Finding the Fourth Proportional to 967.28, 1,335.13 and 594.79

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Solution

The fourth proportional to 967.28, 1,335.13 and 594.79 is: 820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.28 : 1,335.13 = 594.79 : x
  2. Step 2: Convert to fraction form
    967.28/1,335.13 = 594.79/x
  3. Step 3: Cross multiply
    967.28x = 1,335.13 × 594.79
  4. Step 4: Simplify right side
    967.28x = 794,117.15
  5. Step 5: Solve for x
    x = 794,117.15/967.28
  6. Step 6: Final answer
    x = 820.98

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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.