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Finding the Fourth Proportional to 267,228.60, 400,907.70 and 188,496.60

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Solution

The fourth proportional to 267,228.60, 400,907.70 and 188,496.60 is: 282,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,228.60 : 400,907.70 = 188,496.60 : x
  2. Step 2: Convert to fraction form
    267,228.60/400,907.70 = 188,496.60/x
  3. Step 3: Cross multiply
    267,228.60x = 400,907.70 × 188,496.60
  4. Step 4: Simplify right side
    267,228.60x = 75,569,738,363.82
  5. Step 5: Solve for x
    x = 75,569,738,363.82/267,228.60
  6. Step 6: Final answer
    x = 282,790.61

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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.