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Finding the Fourth Proportional to 713.21, 1,068.44 and 567.23

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Solution

The fourth proportional to 713.21, 1,068.44 and 567.23 is: 849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.21 : 1,068.44 = 567.23 : x
  2. Step 2: Convert to fraction form
    713.21/1,068.44 = 567.23/x
  3. Step 3: Cross multiply
    713.21x = 1,068.44 × 567.23
  4. Step 4: Simplify right side
    713.21x = 606,043.04
  5. Step 5: Solve for x
    x = 606,043.04/713.21
  6. Step 6: Final answer
    x = 849.75

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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.