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Finding the Fourth Proportional to 293,661.52, 405,447.93 and 225,556.72

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Solution

The fourth proportional to 293,661.52, 405,447.93 and 225,556.72 is: 311,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,661.52 : 405,447.93 = 225,556.72 : x
  2. Step 2: Convert to fraction form
    293,661.52/405,447.93 = 225,556.72/x
  3. Step 3: Cross multiply
    293,661.52x = 405,447.93 × 225,556.72
  4. Step 4: Simplify right side
    293,661.52x = 91,451,503,194.35
  5. Step 5: Solve for x
    x = 91,451,503,194.35/293,661.52
  6. Step 6: Final answer
    x = 311,418.07

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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.