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Finding the Fourth Proportional to 414,608.88, 622,220.76 and 308,238.96

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Solution

The fourth proportional to 414,608.88, 622,220.76 and 308,238.96 is: 462,587.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,608.88 : 622,220.76 = 308,238.96 : x
  2. Step 2: Convert to fraction form
    414,608.88/622,220.76 = 308,238.96/x
  3. Step 3: Cross multiply
    414,608.88x = 622,220.76 × 308,238.96
  4. Step 4: Simplify right side
    414,608.88x = 191,792,679,952.81
  5. Step 5: Solve for x
    x = 191,792,679,952.81/414,608.88
  6. Step 6: Final answer
    x = 462,587.00

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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.