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Finding the Fourth Proportional to 414,842.52, 621,738.90 and 265,024.92

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Solution

The fourth proportional to 414,842.52, 621,738.90 and 265,024.92 is: 397,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,842.52 : 621,738.90 = 265,024.92 : x
  2. Step 2: Convert to fraction form
    414,842.52/621,738.90 = 265,024.92/x
  3. Step 3: Cross multiply
    414,842.52x = 621,738.90 × 265,024.92
  4. Step 4: Simplify right side
    414,842.52x = 164,776,302,233.39
  5. Step 5: Solve for x
    x = 164,776,302,233.39/414,842.52
  6. Step 6: Final answer
    x = 397,202.06

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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.