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Finding the Fourth Proportional to 383,229.36, 575,107.92 and 133,911.36

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Solution

The fourth proportional to 383,229.36, 575,107.92 and 133,911.36 is: 200,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,229.36 : 575,107.92 = 133,911.36 : x
  2. Step 2: Convert to fraction form
    383,229.36/575,107.92 = 133,911.36/x
  3. Step 3: Cross multiply
    383,229.36x = 575,107.92 × 133,911.36
  4. Step 4: Simplify right side
    383,229.36x = 77,013,483,713.97
  5. Step 5: Solve for x
    x = 77,013,483,713.97/383,229.36
  6. Step 6: Final answer
    x = 200,959.25

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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.