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Finding the Fourth Proportional to 464.62, 696.12 and 395.50

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Solution

The fourth proportional to 464.62, 696.12 and 395.50 is: 592.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.62 : 696.12 = 395.50 : x
  2. Step 2: Convert to fraction form
    464.62/696.12 = 395.50/x
  3. Step 3: Cross multiply
    464.62x = 696.12 × 395.50
  4. Step 4: Simplify right side
    464.62x = 275,315.46
  5. Step 5: Solve for x
    x = 275,315.46/464.62
  6. Step 6: Final answer
    x = 592.56

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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.