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Finding the Fourth Proportional to 575.94, 863.92 and 251.06

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Solution

The fourth proportional to 575.94, 863.92 and 251.06 is: 376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.94 : 863.92 = 251.06 : x
  2. Step 2: Convert to fraction form
    575.94/863.92 = 251.06/x
  3. Step 3: Cross multiply
    575.94x = 863.92 × 251.06
  4. Step 4: Simplify right side
    575.94x = 216,895.76
  5. Step 5: Solve for x
    x = 216,895.76/575.94
  6. Step 6: Final answer
    x = 376.59

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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.