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Finding the Fourth Proportional to 734.14, 1,012.44 and 567.82

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Solution

The fourth proportional to 734.14, 1,012.44 and 567.82 is: 783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.14 : 1,012.44 = 567.82 : x
  2. Step 2: Convert to fraction form
    734.14/1,012.44 = 567.82/x
  3. Step 3: Cross multiply
    734.14x = 1,012.44 × 567.82
  4. Step 4: Simplify right side
    734.14x = 574,883.68
  5. Step 5: Solve for x
    x = 574,883.68/734.14
  6. Step 6: Final answer
    x = 783.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.