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Finding the Fourth Proportional to 466.97, 698.63 and 328.46

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Solution

The fourth proportional to 466.97, 698.63 and 328.46 is: 491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.97 : 698.63 = 328.46 : x
  2. Step 2: Convert to fraction form
    466.97/698.63 = 328.46/x
  3. Step 3: Cross multiply
    466.97x = 698.63 × 328.46
  4. Step 4: Simplify right side
    466.97x = 229,466.87
  5. Step 5: Solve for x
    x = 229,466.87/466.97
  6. Step 6: Final answer
    x = 491.40

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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.