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Finding the Fourth Proportional to 465.92, 699.30 and 292.93

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Solution

The fourth proportional to 465.92, 699.30 and 292.93 is: 439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.92 : 699.30 = 292.93 : x
  2. Step 2: Convert to fraction form
    465.92/699.30 = 292.93/x
  3. Step 3: Cross multiply
    465.92x = 699.30 × 292.93
  4. Step 4: Simplify right side
    465.92x = 204,845.95
  5. Step 5: Solve for x
    x = 204,845.95/465.92
  6. Step 6: Final answer
    x = 439.66

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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.