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Finding the Fourth Proportional to 1,552.14, 2,328.54 and 512.22

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Solution

The fourth proportional to 1,552.14, 2,328.54 and 512.22 is: 768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.14 : 2,328.54 = 512.22 : x
  2. Step 2: Convert to fraction form
    1,552.14/2,328.54 = 512.22/x
  3. Step 3: Cross multiply
    1,552.14x = 2,328.54 × 512.22
  4. Step 4: Simplify right side
    1,552.14x = 1,192,724.76
  5. Step 5: Solve for x
    x = 1,192,724.76/1,552.14
  6. Step 6: Final answer
    x = 768.44

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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.