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Finding the Fourth Proportional to 503,769.11, 695,191.37 and 274,329.11

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Solution

The fourth proportional to 503,769.11, 695,191.37 and 274,329.11 is: 378,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,769.11 : 695,191.37 = 274,329.11 : x
  2. Step 2: Convert to fraction form
    503,769.11/695,191.37 = 274,329.11/x
  3. Step 3: Cross multiply
    503,769.11x = 695,191.37 × 274,329.11
  4. Step 4: Simplify right side
    503,769.11x = 190,711,230,178.11
  5. Step 5: Solve for x
    x = 190,711,230,178.11/503,769.11
  6. Step 6: Final answer
    x = 378,568.73

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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.