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Finding the Fourth Proportional to 844.51, 1,266.62 and 296.65

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Solution

The fourth proportional to 844.51, 1,266.62 and 296.65 is: 444.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.51 : 1,266.62 = 296.65 : x
  2. Step 2: Convert to fraction form
    844.51/1,266.62 = 296.65/x
  3. Step 3: Cross multiply
    844.51x = 1,266.62 × 296.65
  4. Step 4: Simplify right side
    844.51x = 375,742.82
  5. Step 5: Solve for x
    x = 375,742.82/844.51
  6. Step 6: Final answer
    x = 444.92

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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.