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Finding the Fourth Proportional to 844.56, 1,267.02 and 357.84

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Solution

The fourth proportional to 844.56, 1,267.02 and 357.84 is: 536.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.56 : 1,267.02 = 357.84 : x
  2. Step 2: Convert to fraction form
    844.56/1,267.02 = 357.84/x
  3. Step 3: Cross multiply
    844.56x = 1,267.02 × 357.84
  4. Step 4: Simplify right side
    844.56x = 453,390.44
  5. Step 5: Solve for x
    x = 453,390.44/844.56
  6. Step 6: Final answer
    x = 536.84

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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.