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Finding the Fourth Proportional to 966.47, 1,449.69 and 236.02

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Solution

The fourth proportional to 966.47, 1,449.69 and 236.02 is: 354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.47 : 1,449.69 = 236.02 : x
  2. Step 2: Convert to fraction form
    966.47/1,449.69 = 236.02/x
  3. Step 3: Cross multiply
    966.47x = 1,449.69 × 236.02
  4. Step 4: Simplify right side
    966.47x = 342,155.83
  5. Step 5: Solve for x
    x = 342,155.83/966.47
  6. Step 6: Final answer
    x = 354.03

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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.