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Finding the Fourth Proportional to 504,245.12, 695,848.96 and 274,804.24

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Solution

The fourth proportional to 504,245.12, 695,848.96 and 274,804.24 is: 379,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,245.12 : 695,848.96 = 274,804.24 : x
  2. Step 2: Convert to fraction form
    504,245.12/695,848.96 = 274,804.24/x
  3. Step 3: Cross multiply
    504,245.12x = 695,848.96 × 274,804.24
  4. Step 4: Simplify right side
    504,245.12x = 191,222,244,607.59
  5. Step 5: Solve for x
    x = 191,222,244,607.59/504,245.12
  6. Step 6: Final answer
    x = 379,224.78

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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.