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Finding the Fourth Proportional to 1,440.60, 2,162.52 and 575.52

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Solution

The fourth proportional to 1,440.60, 2,162.52 and 575.52 is: 863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440.60 : 2,162.52 = 575.52 : x
  2. Step 2: Convert to fraction form
    1,440.60/2,162.52 = 575.52/x
  3. Step 3: Cross multiply
    1,440.60x = 2,162.52 × 575.52
  4. Step 4: Simplify right side
    1,440.60x = 1,244,573.51
  5. Step 5: Solve for x
    x = 1,244,573.51/1,440.60
  6. Step 6: Final answer
    x = 863.93

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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.