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Finding the Fourth Proportional to 984,627.57, 1,476,810 and 274,596.15

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Solution

The fourth proportional to 984,627.57, 1,476,810 and 274,596.15 is: 411,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,627.57 : 1,476,810 = 274,596.15 : x
  2. Step 2: Convert to fraction form
    984,627.57/1,476,810 = 274,596.15/x
  3. Step 3: Cross multiply
    984,627.57x = 1,476,810 × 274,596.15
  4. Step 4: Simplify right side
    984,627.57x = 405,526,340,281.50
  5. Step 5: Solve for x
    x = 405,526,340,281.50/984,627.57
  6. Step 6: Final answer
    x = 411,857.59

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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.