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Finding the Fourth Proportional to 963.52, 1,445.28 and 233.10

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Solution

The fourth proportional to 963.52, 1,445.28 and 233.10 is: 349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    963.52 : 1,445.28 = 233.10 : x
  2. Step 2: Convert to fraction form
    963.52/1,445.28 = 233.10/x
  3. Step 3: Cross multiply
    963.52x = 1,445.28 × 233.10
  4. Step 4: Simplify right side
    963.52x = 336,886.38
  5. Step 5: Solve for x
    x = 336,886.38/963.52
  6. Step 6: Final answer
    x = 349.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.