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Finding the Fourth Proportional to 414,947.60, 621,384.60 and 332,003.60

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Solution

The fourth proportional to 414,947.60, 621,384.60 and 332,003.60 is: 497,175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,947.60 : 621,384.60 = 332,003.60 : x
  2. Step 2: Convert to fraction form
    414,947.60/621,384.60 = 332,003.60/x
  3. Step 3: Cross multiply
    414,947.60x = 621,384.60 × 332,003.60
  4. Step 4: Simplify right side
    414,947.60x = 206,301,924,184.56
  5. Step 5: Solve for x
    x = 206,301,924,184.56/414,947.60
  6. Step 6: Final answer
    x = 497,175.85

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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.