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Finding the Fourth Proportional to 464.70, 696.54 and 233.13

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Solution

The fourth proportional to 464.70, 696.54 and 233.13 is: 349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.70 : 696.54 = 233.13 : x
  2. Step 2: Convert to fraction form
    464.70/696.54 = 233.13/x
  3. Step 3: Cross multiply
    464.70x = 696.54 × 233.13
  4. Step 4: Simplify right side
    464.70x = 162,384.37
  5. Step 5: Solve for x
    x = 162,384.37/464.70
  6. Step 6: Final answer
    x = 349.44

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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.