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Finding the Fourth Proportional to 956.14, 1,433.84 and 306.52

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Solution

The fourth proportional to 956.14, 1,433.84 and 306.52 is: 459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.14 : 1,433.84 = 306.52 : x
  2. Step 2: Convert to fraction form
    956.14/1,433.84 = 306.52/x
  3. Step 3: Cross multiply
    956.14x = 1,433.84 × 306.52
  4. Step 4: Simplify right side
    956.14x = 439,500.64
  5. Step 5: Solve for x
    x = 439,500.64/956.14
  6. Step 6: Final answer
    x = 459.66

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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.