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Finding the Fourth Proportional to 404,851.63, 558,744.45 and 235,085.75

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Solution

The fourth proportional to 404,851.63, 558,744.45 and 235,085.75 is: 324,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,851.63 : 558,744.45 = 235,085.75 : x
  2. Step 2: Convert to fraction form
    404,851.63/558,744.45 = 235,085.75/x
  3. Step 3: Cross multiply
    404,851.63x = 558,744.45 × 235,085.75
  4. Step 4: Simplify right side
    404,851.63x = 131,352,858,086.59
  5. Step 5: Solve for x
    x = 131,352,858,086.59/404,851.63
  6. Step 6: Final answer
    x = 324,446.90

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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.