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Finding the Fourth Proportional to 466.05, 698.22 and 392.95

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Solution

The fourth proportional to 466.05, 698.22 and 392.95 is: 588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.05 : 698.22 = 392.95 : x
  2. Step 2: Convert to fraction form
    466.05/698.22 = 392.95/x
  3. Step 3: Cross multiply
    466.05x = 698.22 × 392.95
  4. Step 4: Simplify right side
    466.05x = 274,366.42
  5. Step 5: Solve for x
    x = 274,366.42/466.05
  6. Step 6: Final answer
    x = 588.70

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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.