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Finding the Fourth Proportional to 504,243.27, 695,855.81 and 274,800.60

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Solution

The fourth proportional to 504,243.27, 695,855.81 and 274,800.60 is: 379,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,243.27 : 695,855.81 = 274,800.60 : x
  2. Step 2: Convert to fraction form
    504,243.27/695,855.81 = 274,800.60/x
  3. Step 3: Cross multiply
    504,243.27x = 695,855.81 × 274,800.60
  4. Step 4: Simplify right side
    504,243.27x = 191,221,594,101.49
  5. Step 5: Solve for x
    x = 191,221,594,101.49/504,243.27
  6. Step 6: Final answer
    x = 379,224.88

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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.