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Finding the Fourth Proportional to 464.16, 695.46 and 326.92

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Solution

The fourth proportional to 464.16, 695.46 and 326.92 is: 489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.16 : 695.46 = 326.92 : x
  2. Step 2: Convert to fraction form
    464.16/695.46 = 326.92/x
  3. Step 3: Cross multiply
    464.16x = 695.46 × 326.92
  4. Step 4: Simplify right side
    464.16x = 227,359.78
  5. Step 5: Solve for x
    x = 227,359.78/464.16
  6. Step 6: Final answer
    x = 489.83

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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.