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Finding the Fourth Proportional to 267,025.80, 400,409.10 and 148,571.40

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Solution

The fourth proportional to 267,025.80, 400,409.10 and 148,571.40 is: 222,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,025.80 : 400,409.10 = 148,571.40 : x
  2. Step 2: Convert to fraction form
    267,025.80/400,409.10 = 148,571.40/x
  3. Step 3: Cross multiply
    267,025.80x = 400,409.10 × 148,571.40
  4. Step 4: Simplify right side
    267,025.80x = 59,489,340,559.74
  5. Step 5: Solve for x
    x = 59,489,340,559.74/267,025.80
  6. Step 6: Final answer
    x = 222,784.99

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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.