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Finding the Fourth Proportional to 464.99, 696.95 and 248.51

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Solution

The fourth proportional to 464.99, 696.95 and 248.51 is: 372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.99 : 696.95 = 248.51 : x
  2. Step 2: Convert to fraction form
    464.99/696.95 = 248.51/x
  3. Step 3: Cross multiply
    464.99x = 696.95 × 248.51
  4. Step 4: Simplify right side
    464.99x = 173,197.80
  5. Step 5: Solve for x
    x = 173,197.80/464.99
  6. Step 6: Final answer
    x = 372.48

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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.