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Finding the Fourth Proportional to 950.19, 1,424.76 and 333.72

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Solution

The fourth proportional to 950.19, 1,424.76 and 333.72 is: 500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.19 : 1,424.76 = 333.72 : x
  2. Step 2: Convert to fraction form
    950.19/1,424.76 = 333.72/x
  3. Step 3: Cross multiply
    950.19x = 1,424.76 × 333.72
  4. Step 4: Simplify right side
    950.19x = 475,470.91
  5. Step 5: Solve for x
    x = 475,470.91/950.19
  6. Step 6: Final answer
    x = 500.40

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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.