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Finding the Fourth Proportional to 269,556.20, 404,334.30 and 207,348.20

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Solution

The fourth proportional to 269,556.20, 404,334.30 and 207,348.20 is: 311,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,556.20 : 404,334.30 = 207,348.20 : x
  2. Step 2: Convert to fraction form
    269,556.20/404,334.30 = 207,348.20/x
  3. Step 3: Cross multiply
    269,556.20x = 404,334.30 × 207,348.20
  4. Step 4: Simplify right side
    269,556.20x = 83,837,989,303.26
  5. Step 5: Solve for x
    x = 83,837,989,303.26/269,556.20
  6. Step 6: Final answer
    x = 311,022.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.