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Finding the Fourth Proportional to 694.35, 958.65 and 529.41

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Solution

The fourth proportional to 694.35, 958.65 and 529.41 is: 730.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.35 : 958.65 = 529.41 : x
  2. Step 2: Convert to fraction form
    694.35/958.65 = 529.41/x
  3. Step 3: Cross multiply
    694.35x = 958.65 × 529.41
  4. Step 4: Simplify right side
    694.35x = 507,518.90
  5. Step 5: Solve for x
    x = 507,518.90/694.35
  6. Step 6: Final answer
    x = 730.93

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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.