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Finding the Fourth Proportional to 484,842.82, 726,815.22 and 247,662.40

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Solution

The fourth proportional to 484,842.82, 726,815.22 and 247,662.40 is: 371,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,842.82 : 726,815.22 = 247,662.40 : x
  2. Step 2: Convert to fraction form
    484,842.82/726,815.22 = 247,662.40/x
  3. Step 3: Cross multiply
    484,842.82x = 726,815.22 × 247,662.40
  4. Step 4: Simplify right side
    484,842.82x = 180,004,801,741.73
  5. Step 5: Solve for x
    x = 180,004,801,741.73/484,842.82
  6. Step 6: Final answer
    x = 371,264.24

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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.