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Finding the Fourth Proportional to 585,028.85, 877,690.89 and 269,707.19

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Solution

The fourth proportional to 585,028.85, 877,690.89 and 269,707.19 is: 404,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,028.85 : 877,690.89 = 269,707.19 : x
  2. Step 2: Convert to fraction form
    585,028.85/877,690.89 = 269,707.19/x
  3. Step 3: Cross multiply
    585,028.85x = 877,690.89 × 269,707.19
  4. Step 4: Simplify right side
    585,028.85x = 236,719,539,242.05
  5. Step 5: Solve for x
    x = 236,719,539,242.05/585,028.85
  6. Step 6: Final answer
    x = 404,628.83

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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.