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Finding the Fourth Proportional to 414,338.31, 621,505.70 and 114,818.03

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Solution

The fourth proportional to 414,338.31, 621,505.70 and 114,818.03 is: 172,226.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,338.31 : 621,505.70 = 114,818.03 : x
  2. Step 2: Convert to fraction form
    414,338.31/621,505.70 = 114,818.03/x
  3. Step 3: Cross multiply
    414,338.31x = 621,505.70 × 114,818.03
  4. Step 4: Simplify right side
    414,338.31x = 71,360,061,374.49
  5. Step 5: Solve for x
    x = 71,360,061,374.49/414,338.31
  6. Step 6: Final answer
    x = 172,226.56

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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.