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Finding the Fourth Proportional to 585,310.80, 877,288.56 and 269,104.08

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Solution

The fourth proportional to 585,310.80, 877,288.56 and 269,104.08 is: 403,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,310.80 : 877,288.56 = 269,104.08 : x
  2. Step 2: Convert to fraction form
    585,310.80/877,288.56 = 269,104.08/x
  3. Step 3: Cross multiply
    585,310.80x = 877,288.56 × 269,104.08
  4. Step 4: Simplify right side
    585,310.80x = 236,081,930,833.33
  5. Step 5: Solve for x
    x = 236,081,930,833.33/585,310.80
  6. Step 6: Final answer
    x = 403,344.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.