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Finding the Fourth Proportional to 504,179.88, 695,759.28 and 274,739.16

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Solution

The fourth proportional to 504,179.88, 695,759.28 and 274,739.16 is: 379,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,179.88 : 695,759.28 = 274,739.16 : x
  2. Step 2: Convert to fraction form
    504,179.88/695,759.28 = 274,739.16/x
  3. Step 3: Cross multiply
    504,179.88x = 695,759.28 × 274,739.16
  4. Step 4: Simplify right side
    504,179.88x = 191,152,320,149.41
  5. Step 5: Solve for x
    x = 191,152,320,149.41/504,179.88
  6. Step 6: Final answer
    x = 379,135.16

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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.