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Finding the Fourth Proportional to 696.88, 959.52 and 597.16

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Solution

The fourth proportional to 696.88, 959.52 and 597.16 is: 822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.88 : 959.52 = 597.16 : x
  2. Step 2: Convert to fraction form
    696.88/959.52 = 597.16/x
  3. Step 3: Cross multiply
    696.88x = 959.52 × 597.16
  4. Step 4: Simplify right side
    696.88x = 572,986.96
  5. Step 5: Solve for x
    x = 572,986.96/696.88
  6. Step 6: Final answer
    x = 822.22

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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.