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Finding the Fourth Proportional to 950.74, 1,426.02 and 334.42

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Solution

The fourth proportional to 950.74, 1,426.02 and 334.42 is: 501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.74 : 1,426.02 = 334.42 : x
  2. Step 2: Convert to fraction form
    950.74/1,426.02 = 334.42/x
  3. Step 3: Cross multiply
    950.74x = 1,426.02 × 334.42
  4. Step 4: Simplify right side
    950.74x = 476,889.61
  5. Step 5: Solve for x
    x = 476,889.61/950.74
  6. Step 6: Final answer
    x = 501.60

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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.