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Finding the Fourth Proportional to 409,556.25, 565,172.22 and 237,481.48

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Solution

The fourth proportional to 409,556.25, 565,172.22 and 237,481.48 is: 327,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,556.25 : 565,172.22 = 237,481.48 : x
  2. Step 2: Convert to fraction form
    409,556.25/565,172.22 = 237,481.48/x
  3. Step 3: Cross multiply
    409,556.25x = 565,172.22 × 237,481.48
  4. Step 4: Simplify right side
    409,556.25x = 134,217,934,073.08
  5. Step 5: Solve for x
    x = 134,217,934,073.08/409,556.25
  6. Step 6: Final answer
    x = 327,715.51

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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.