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Finding the Fourth Proportional to 849.52, 1,274.28 and 464.56

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Solution

The fourth proportional to 849.52, 1,274.28 and 464.56 is: 696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    849.52 : 1,274.28 = 464.56 : x
  2. Step 2: Convert to fraction form
    849.52/1,274.28 = 464.56/x
  3. Step 3: Cross multiply
    849.52x = 1,274.28 × 464.56
  4. Step 4: Simplify right side
    849.52x = 591,979.52
  5. Step 5: Solve for x
    x = 591,979.52/849.52
  6. Step 6: Final answer
    x = 696.84

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