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Finding the Fourth Proportional to 844.15, 1,266.35 and 296.24

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Solution

The fourth proportional to 844.15, 1,266.35 and 296.24 is: 444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.15 : 1,266.35 = 296.24 : x
  2. Step 2: Convert to fraction form
    844.15/1,266.35 = 296.24/x
  3. Step 3: Cross multiply
    844.15x = 1,266.35 × 296.24
  4. Step 4: Simplify right side
    844.15x = 375,137.38
  5. Step 5: Solve for x
    x = 375,137.38/844.15
  6. Step 6: Final answer
    x = 444.40

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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.