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Finding the Fourth Proportional to 366,452.19, 505,494.39 and 213,474.26

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Solution

The fourth proportional to 366,452.19, 505,494.39 and 213,474.26 is: 294,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,452.19 : 505,494.39 = 213,474.26 : x
  2. Step 2: Convert to fraction form
    366,452.19/505,494.39 = 213,474.26/x
  3. Step 3: Cross multiply
    366,452.19x = 505,494.39 × 213,474.26
  4. Step 4: Simplify right side
    366,452.19x = 107,910,042,903.67
  5. Step 5: Solve for x
    x = 107,910,042,903.67/366,452.19
  6. Step 6: Final answer
    x = 294,472.36

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1.5x scale

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.