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Finding the Fourth Proportional to 695.67, 958.68 and 529.62

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Solution

The fourth proportional to 695.67, 958.68 and 529.62 is: 729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.67 : 958.68 = 529.62 : x
  2. Step 2: Convert to fraction form
    695.67/958.68 = 529.62/x
  3. Step 3: Cross multiply
    695.67x = 958.68 × 529.62
  4. Step 4: Simplify right side
    695.67x = 507,736.10
  5. Step 5: Solve for x
    x = 507,736.10/695.67
  6. Step 6: Final answer
    x = 729.85

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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.