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Finding the Fourth Proportional to 464.92, 641.24 and 444.24

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Solution

The fourth proportional to 464.92, 641.24 and 444.24 is: 612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.92 : 641.24 = 444.24 : x
  2. Step 2: Convert to fraction form
    464.92/641.24 = 444.24/x
  3. Step 3: Cross multiply
    464.92x = 641.24 × 444.24
  4. Step 4: Simplify right side
    464.92x = 284,864.46
  5. Step 5: Solve for x
    x = 284,864.46/464.92
  6. Step 6: Final answer
    x = 612.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.