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Finding the Fourth Proportional to 300,085.22, 449,894.12 and 150,248.30

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Solution

The fourth proportional to 300,085.22, 449,894.12 and 150,248.30 is: 225,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,085.22 : 449,894.12 = 150,248.30 : x
  2. Step 2: Convert to fraction form
    300,085.22/449,894.12 = 150,248.30/x
  3. Step 3: Cross multiply
    300,085.22x = 449,894.12 × 150,248.30
  4. Step 4: Simplify right side
    300,085.22x = 67,595,826,710.00
  5. Step 5: Solve for x
    x = 67,595,826,710.00/300,085.22
  6. Step 6: Final answer
    x = 225,255.43

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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.