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Finding the Fourth Proportional to 467.99, 698.18 and 451.17

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Solution

The fourth proportional to 467.99, 698.18 and 451.17 is: 673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.99 : 698.18 = 451.17 : x
  2. Step 2: Convert to fraction form
    467.99/698.18 = 451.17/x
  3. Step 3: Cross multiply
    467.99x = 698.18 × 451.17
  4. Step 4: Simplify right side
    467.99x = 314,995.61
  5. Step 5: Solve for x
    x = 314,995.61/467.99
  6. Step 6: Final answer
    x = 673.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.