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Finding the Fourth Proportional to 282,042.20, 423,063.30 and 269,600.60

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Solution

The fourth proportional to 282,042.20, 423,063.30 and 269,600.60 is: 404,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,042.20 : 423,063.30 = 269,600.60 : x
  2. Step 2: Convert to fraction form
    282,042.20/423,063.30 = 269,600.60/x
  3. Step 3: Cross multiply
    282,042.20x = 423,063.30 × 269,600.60
  4. Step 4: Simplify right side
    282,042.20x = 114,058,119,517.98
  5. Step 5: Solve for x
    x = 114,058,119,517.98/282,042.20
  6. Step 6: Final answer
    x = 404,400.90

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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.