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Finding the Fourth Proportional to 950.16, 1,423.52 and 462.88

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Solution

The fourth proportional to 950.16, 1,423.52 and 462.88 is: 693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.16 : 1,423.52 = 462.88 : x
  2. Step 2: Convert to fraction form
    950.16/1,423.52 = 462.88/x
  3. Step 3: Cross multiply
    950.16x = 1,423.52 × 462.88
  4. Step 4: Simplify right side
    950.16x = 658,918.94
  5. Step 5: Solve for x
    x = 658,918.94/950.16
  6. Step 6: Final answer
    x = 693.48

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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.