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Finding the Fourth Proportional to 943.84, 1,412.25 and 567.26

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Solution

The fourth proportional to 943.84, 1,412.25 and 567.26 is: 848.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.84 : 1,412.25 = 567.26 : x
  2. Step 2: Convert to fraction form
    943.84/1,412.25 = 567.26/x
  3. Step 3: Cross multiply
    943.84x = 1,412.25 × 567.26
  4. Step 4: Simplify right side
    943.84x = 801,116.99
  5. Step 5: Solve for x
    x = 801,116.99/943.84
  6. Step 6: Final answer
    x = 848.79

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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.