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Finding the Fourth Proportional to 504,237.28, 695,847.59 and 274,794.66

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Solution

The fourth proportional to 504,237.28, 695,847.59 and 274,794.66 is: 379,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,237.28 : 695,847.59 = 274,794.66 : x
  2. Step 2: Convert to fraction form
    504,237.28/695,847.59 = 274,794.66/x
  3. Step 3: Cross multiply
    504,237.28x = 695,847.59 × 274,794.66
  4. Step 4: Simplify right side
    504,237.28x = 191,215,201,905.87
  5. Step 5: Solve for x
    x = 191,215,201,905.87/504,237.28
  6. Step 6: Final answer
    x = 379,216.71

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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.