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Finding the Fourth Proportional to 696, 960.84 and 475.26

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Solution

The fourth proportional to 696, 960.84 and 475.26 is: 656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    696 : 960.84 = 475.26 : x
  2. Step 2: Convert to fraction form
    696/960.84 = 475.26/x
  3. Step 3: Cross multiply
    696x = 960.84 × 475.26
  4. Step 4: Simplify right side
    696x = 456,648.82
  5. Step 5: Solve for x
    x = 456,648.82/696
  6. Step 6: Final answer
    x = 656.10

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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.