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Finding the Fourth Proportional to 504,323.98, 695,960.97 and 274,880.56

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Solution

The fourth proportional to 504,323.98, 695,960.97 and 274,880.56 is: 379,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,323.98 : 695,960.97 = 274,880.56 : x
  2. Step 2: Convert to fraction form
    504,323.98/695,960.97 = 274,880.56/x
  3. Step 3: Cross multiply
    504,323.98x = 695,960.97 × 274,880.56
  4. Step 4: Simplify right side
    504,323.98x = 191,306,141,171.74
  5. Step 5: Solve for x
    x = 191,306,141,171.74/504,323.98
  6. Step 6: Final answer
    x = 379,331.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.