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Finding the Fourth Proportional to 1,441.46, 2,163 and 575.84

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Solution

The fourth proportional to 1,441.46, 2,163 and 575.84 is: 864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.46 : 2,163 = 575.84 : x
  2. Step 2: Convert to fraction form
    1,441.46/2,163 = 575.84/x
  3. Step 3: Cross multiply
    1,441.46x = 2,163 × 575.84
  4. Step 4: Simplify right side
    1,441.46x = 1,245,541.92
  5. Step 5: Solve for x
    x = 1,245,541.92/1,441.46
  6. Step 6: Final answer
    x = 864.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.