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Finding the Fourth Proportional to 322,680.87, 445,114.58 and 267,923.07

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Solution

The fourth proportional to 322,680.87, 445,114.58 and 267,923.07 is: 369,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,680.87 : 445,114.58 = 267,923.07 : x
  2. Step 2: Convert to fraction form
    322,680.87/445,114.58 = 267,923.07/x
  3. Step 3: Cross multiply
    322,680.87x = 445,114.58 × 267,923.07
  4. Step 4: Simplify right side
    322,680.87x = 119,256,463,435.75
  5. Step 5: Solve for x
    x = 119,256,463,435.75/322,680.87
  6. Step 6: Final answer
    x = 369,580.21

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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.