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Finding the Fourth Proportional to 441,610.52, 609,420.78 and 247,991.36

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Solution

The fourth proportional to 441,610.52, 609,420.78 and 247,991.36 is: 342,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,610.52 : 609,420.78 = 247,991.36 : x
  2. Step 2: Convert to fraction form
    441,610.52/609,420.78 = 247,991.36/x
  3. Step 3: Cross multiply
    441,610.52x = 609,420.78 × 247,991.36
  4. Step 4: Simplify right side
    441,610.52x = 151,131,084,997.36
  5. Step 5: Solve for x
    x = 151,131,084,997.36/441,610.52
  6. Step 6: Final answer
    x = 342,227.10

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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.