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Finding the Fourth Proportional to 695.73, 959.66 and 529.58

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Solution

The fourth proportional to 695.73, 959.66 and 529.58 is: 730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.73 : 959.66 = 529.58 : x
  2. Step 2: Convert to fraction form
    695.73/959.66 = 529.58/x
  3. Step 3: Cross multiply
    695.73x = 959.66 × 529.58
  4. Step 4: Simplify right side
    695.73x = 508,216.74
  5. Step 5: Solve for x
    x = 508,216.74/695.73
  6. Step 6: Final answer
    x = 730.48

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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.