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Finding the Fourth Proportional to 955.44, 1,433.24 and 306.02

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Solution

The fourth proportional to 955.44, 1,433.24 and 306.02 is: 459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.44 : 1,433.24 = 306.02 : x
  2. Step 2: Convert to fraction form
    955.44/1,433.24 = 306.02/x
  3. Step 3: Cross multiply
    955.44x = 1,433.24 × 306.02
  4. Step 4: Simplify right side
    955.44x = 438,600.10
  5. Step 5: Solve for x
    x = 438,600.10/955.44
  6. Step 6: Final answer
    x = 459.06

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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.