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Finding the Fourth Proportional to 465.24, 698.04 and 248.76

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Solution

The fourth proportional to 465.24, 698.04 and 248.76 is: 373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.24 : 698.04 = 248.76 : x
  2. Step 2: Convert to fraction form
    465.24/698.04 = 248.76/x
  3. Step 3: Cross multiply
    465.24x = 698.04 × 248.76
  4. Step 4: Simplify right side
    465.24x = 173,644.43
  5. Step 5: Solve for x
    x = 173,644.43/465.24
  6. Step 6: Final answer
    x = 373.24

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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.