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Finding the Fourth Proportional to 697.12, 959.94 and 592.36

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Solution

The fourth proportional to 697.12, 959.94 and 592.36 is: 815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.12 : 959.94 = 592.36 : x
  2. Step 2: Convert to fraction form
    697.12/959.94 = 592.36/x
  3. Step 3: Cross multiply
    697.12x = 959.94 × 592.36
  4. Step 4: Simplify right side
    697.12x = 568,630.06
  5. Step 5: Solve for x
    x = 568,630.06/697.12
  6. Step 6: Final answer
    x = 815.68

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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.