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Finding the Fourth Proportional to 468.10, 701.34 and 406.84

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Solution

The fourth proportional to 468.10, 701.34 and 406.84 is: 609.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.10 : 701.34 = 406.84 : x
  2. Step 2: Convert to fraction form
    468.10/701.34 = 406.84/x
  3. Step 3: Cross multiply
    468.10x = 701.34 × 406.84
  4. Step 4: Simplify right side
    468.10x = 285,333.17
  5. Step 5: Solve for x
    x = 285,333.17/468.10
  6. Step 6: Final answer
    x = 609.56

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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.