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Finding the Fourth Proportional to 963, 1,329.58 and 595.64

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Solution

The fourth proportional to 963, 1,329.58 and 595.64 is: 822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    963 : 1,329.58 = 595.64 : x
  2. Step 2: Convert to fraction form
    963/1,329.58 = 595.64/x
  3. Step 3: Cross multiply
    963x = 1,329.58 × 595.64
  4. Step 4: Simplify right side
    963x = 791,951.03
  5. Step 5: Solve for x
    x = 791,951.03/963
  6. Step 6: Final answer
    x = 822.38

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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.