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Finding the Fourth Proportional to 968, 1,335.30 and 595.16

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Solution

The fourth proportional to 968, 1,335.30 and 595.16 is: 820.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    968 : 1,335.30 = 595.16 : x
  2. Step 2: Convert to fraction form
    968/1,335.30 = 595.16/x
  3. Step 3: Cross multiply
    968x = 1,335.30 × 595.16
  4. Step 4: Simplify right side
    968x = 794,717.15
  5. Step 5: Solve for x
    x = 794,717.15/968
  6. Step 6: Final answer
    x = 820.99

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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.