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Finding the Fourth Proportional to 474.24, 705.83 and 469.68

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Solution

The fourth proportional to 474.24, 705.83 and 469.68 is: 699.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.24 : 705.83 = 469.68 : x
  2. Step 2: Convert to fraction form
    474.24/705.83 = 469.68/x
  3. Step 3: Cross multiply
    474.24x = 705.83 × 469.68
  4. Step 4: Simplify right side
    474.24x = 331,514.23
  5. Step 5: Solve for x
    x = 331,514.23/474.24
  6. Step 6: Final answer
    x = 699.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.