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Finding the Fourth Proportional to 414,526.40, 622,117.65 and 161,927.90

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Solution

The fourth proportional to 414,526.40, 622,117.65 and 161,927.90 is: 243,020.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,526.40 : 622,117.65 = 161,927.90 : x
  2. Step 2: Convert to fraction form
    414,526.40/622,117.65 = 161,927.90/x
  3. Step 3: Cross multiply
    414,526.40x = 622,117.65 × 161,927.90
  4. Step 4: Simplify right side
    414,526.40x = 100,738,204,617.44
  5. Step 5: Solve for x
    x = 100,738,204,617.44/414,526.40
  6. Step 6: Final answer
    x = 243,020.00

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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.