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Finding the Fourth Proportional to 414,365.64, 621,552.06 and 133,882.92

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Solution

The fourth proportional to 414,365.64, 621,552.06 and 133,882.92 is: 200,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,365.64 : 621,552.06 = 133,882.92 : x
  2. Step 2: Convert to fraction form
    414,365.64/621,552.06 = 133,882.92/x
  3. Step 3: Cross multiply
    414,365.64x = 621,552.06 × 133,882.92
  4. Step 4: Simplify right side
    414,365.64x = 83,215,204,724.82
  5. Step 5: Solve for x
    x = 83,215,204,724.82/414,365.64
  6. Step 6: Final answer
    x = 200,825.54

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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.