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Finding the Fourth Proportional to 1,014.52, 1,522.14 and 356.44

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Solution

The fourth proportional to 1,014.52, 1,522.14 and 356.44 is: 534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.52 : 1,522.14 = 356.44 : x
  2. Step 2: Convert to fraction form
    1,014.52/1,522.14 = 356.44/x
  3. Step 3: Cross multiply
    1,014.52x = 1,522.14 × 356.44
  4. Step 4: Simplify right side
    1,014.52x = 542,551.58
  5. Step 5: Solve for x
    x = 542,551.58/1,014.52
  6. Step 6: Final answer
    x = 534.79

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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.