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Finding the Fourth Proportional to 504,231.59, 695,839.71 and 274,788.92

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Solution

The fourth proportional to 504,231.59, 695,839.71 and 274,788.92 is: 379,208.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,231.59 : 695,839.71 = 274,788.92 : x
  2. Step 2: Convert to fraction form
    504,231.59/695,839.71 = 274,788.92/x
  3. Step 3: Cross multiply
    504,231.59x = 695,839.71 × 274,788.92
  4. Step 4: Simplify right side
    504,231.59x = 191,209,042,404.01
  5. Step 5: Solve for x
    x = 191,209,042,404.01/504,231.59
  6. Step 6: Final answer
    x = 379,208.77

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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.