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Finding the Fourth Proportional to 414,579.56, 621,908.22 and 165,281

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Solution

The fourth proportional to 414,579.56, 621,908.22 and 165,281 is: 247,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,579.56 : 621,908.22 = 165,281 : x
  2. Step 2: Convert to fraction form
    414,579.56/621,908.22 = 165,281/x
  3. Step 3: Cross multiply
    414,579.56x = 621,908.22 × 165,281
  4. Step 4: Simplify right side
    414,579.56x = 102,789,612,509.82
  5. Step 5: Solve for x
    x = 102,789,612,509.82/414,579.56
  6. Step 6: Final answer
    x = 247,937.00

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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.