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Finding the Fourth Proportional to 464.16, 696.13 and 268.75

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Solution

The fourth proportional to 464.16, 696.13 and 268.75 is: 403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.16 : 696.13 = 268.75 : x
  2. Step 2: Convert to fraction form
    464.16/696.13 = 268.75/x
  3. Step 3: Cross multiply
    464.16x = 696.13 × 268.75
  4. Step 4: Simplify right side
    464.16x = 187,084.94
  5. Step 5: Solve for x
    x = 187,084.94/464.16
  6. Step 6: Final answer
    x = 403.06

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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.