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Finding the Fourth Proportional to 950.53, 1,425.72 and 334.28

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Solution

The fourth proportional to 950.53, 1,425.72 and 334.28 is: 501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.53 : 1,425.72 = 334.28 : x
  2. Step 2: Convert to fraction form
    950.53/1,425.72 = 334.28/x
  3. Step 3: Cross multiply
    950.53x = 1,425.72 × 334.28
  4. Step 4: Simplify right side
    950.53x = 476,589.15
  5. Step 5: Solve for x
    x = 476,589.15/950.53
  6. Step 6: Final answer
    x = 501.39

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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.