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Finding the Fourth Proportional to 504,181.82, 695,770.98 and 274,739.19

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Solution

The fourth proportional to 504,181.82, 695,770.98 and 274,739.19 is: 379,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,181.82 : 695,770.98 = 274,739.19 : x
  2. Step 2: Convert to fraction form
    504,181.82/695,770.98 = 274,739.19/x
  3. Step 3: Cross multiply
    504,181.82x = 695,770.98 × 274,739.19
  4. Step 4: Simplify right side
    504,181.82x = 191,155,557,290.41
  5. Step 5: Solve for x
    x = 191,155,557,290.41/504,181.82
  6. Step 6: Final answer
    x = 379,140.13

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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.