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Finding the Fourth Proportional to 713.36, 1,068.62 and 567.35

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Solution

The fourth proportional to 713.36, 1,068.62 and 567.35 is: 849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713.36 : 1,068.62 = 567.35 : x
  2. Step 2: Convert to fraction form
    713.36/1,068.62 = 567.35/x
  3. Step 3: Cross multiply
    713.36x = 1,068.62 × 567.35
  4. Step 4: Simplify right side
    713.36x = 606,284.99
  5. Step 5: Solve for x
    x = 606,284.99/713.36
  6. Step 6: Final answer
    x = 849.90

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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.