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Finding the Fourth Proportional to 1,486.56, 2,230.02 and 562.44

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Solution

The fourth proportional to 1,486.56, 2,230.02 and 562.44 is: 843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.56 : 2,230.02 = 562.44 : x
  2. Step 2: Convert to fraction form
    1,486.56/2,230.02 = 562.44/x
  3. Step 3: Cross multiply
    1,486.56x = 2,230.02 × 562.44
  4. Step 4: Simplify right side
    1,486.56x = 1,254,252.45
  5. Step 5: Solve for x
    x = 1,254,252.45/1,486.56
  6. Step 6: Final answer
    x = 843.73

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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.