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Finding the Fourth Proportional to 595, 892.86 and 400.12

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Solution

The fourth proportional to 595, 892.86 and 400.12 is: 600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    595 : 892.86 = 400.12 : x
  2. Step 2: Convert to fraction form
    595/892.86 = 400.12/x
  3. Step 3: Cross multiply
    595x = 892.86 × 400.12
  4. Step 4: Simplify right side
    595x = 357,251.14
  5. Step 5: Solve for x
    x = 357,251.14/595
  6. Step 6: Final answer
    x = 600.42

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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.