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Finding the Fourth Proportional to 504,163.42, 695,763.11 and 274,739.61

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Solution

The fourth proportional to 504,163.42, 695,763.11 and 274,739.61 is: 379,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,163.42 : 695,763.11 = 274,739.61 : x
  2. Step 2: Convert to fraction form
    504,163.42/695,763.11 = 274,739.61/x
  3. Step 3: Cross multiply
    504,163.42x = 695,763.11 × 274,739.61
  4. Step 4: Simplify right side
    504,163.42x = 191,153,685,493.79
  5. Step 5: Solve for x
    x = 191,153,685,493.79/504,163.42
  6. Step 6: Final answer
    x = 379,150.25

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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.