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Finding the Fourth Proportional to 984,604.15, 1,476,775 and 274,572.73

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Solution

The fourth proportional to 984,604.15, 1,476,775 and 274,572.73 is: 411,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,604.15 : 1,476,775 = 274,572.73 : x
  2. Step 2: Convert to fraction form
    984,604.15/1,476,775 = 274,572.73/x
  3. Step 3: Cross multiply
    984,604.15x = 1,476,775 × 274,572.73
  4. Step 4: Simplify right side
    984,604.15x = 405,482,143,345.75
  5. Step 5: Solve for x
    x = 405,482,143,345.75/984,604.15
  6. Step 6: Final answer
    x = 411,822.50

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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.