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Finding the Fourth Proportional to 444,107.75, 666,168.51 and 128,565.77

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Solution

The fourth proportional to 444,107.75, 666,168.51 and 128,565.77 is: 192,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,107.75 : 666,168.51 = 128,565.77 : x
  2. Step 2: Convert to fraction form
    444,107.75/666,168.51 = 128,565.77/x
  3. Step 3: Cross multiply
    444,107.75x = 666,168.51 × 128,565.77
  4. Step 4: Simplify right side
    444,107.75x = 85,646,467,437.90
  5. Step 5: Solve for x
    x = 85,646,467,437.90/444,107.75
  6. Step 6: Final answer
    x = 192,850.65

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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.