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Finding the Fourth Proportional to 464.52, 696.02 and 342.60

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Solution

The fourth proportional to 464.52, 696.02 and 342.60 is: 513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.52 : 696.02 = 342.60 : x
  2. Step 2: Convert to fraction form
    464.52/696.02 = 342.60/x
  3. Step 3: Cross multiply
    464.52x = 696.02 × 342.60
  4. Step 4: Simplify right side
    464.52x = 238,456.45
  5. Step 5: Solve for x
    x = 238,456.45/464.52
  6. Step 6: Final answer
    x = 513.34

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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.