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Finding the Fourth Proportional to 464.64, 697.11 and 248.06

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Solution

The fourth proportional to 464.64, 697.11 and 248.06 is: 372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.64 : 697.11 = 248.06 : x
  2. Step 2: Convert to fraction form
    464.64/697.11 = 248.06/x
  3. Step 3: Cross multiply
    464.64x = 697.11 × 248.06
  4. Step 4: Simplify right side
    464.64x = 172,925.92
  5. Step 5: Solve for x
    x = 172,925.92/464.64
  6. Step 6: Final answer
    x = 372.17

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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.