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Finding the Fourth Proportional to 227,301.72, 338,268.80 and 219,733.33

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Solution

The fourth proportional to 227,301.72, 338,268.80 and 219,733.33 is: 327,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,301.72 : 338,268.80 = 219,733.33 : x
  2. Step 2: Convert to fraction form
    227,301.72/338,268.80 = 219,733.33/x
  3. Step 3: Cross multiply
    227,301.72x = 338,268.80 × 219,733.33
  4. Step 4: Simplify right side
    227,301.72x = 74,328,929,859.10
  5. Step 5: Solve for x
    x = 74,328,929,859.10/227,301.72
  6. Step 6: Final answer
    x = 327,005.58

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1.5x scale

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.