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Finding the Fourth Proportional to 359,310.66, 495,757.44 and 263,651.28

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Solution

The fourth proportional to 359,310.66, 495,757.44 and 263,651.28 is: 363,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,310.66 : 495,757.44 = 263,651.28 : x
  2. Step 2: Convert to fraction form
    359,310.66/495,757.44 = 263,651.28/x
  3. Step 3: Cross multiply
    359,310.66x = 495,757.44 × 263,651.28
  4. Step 4: Simplify right side
    359,310.66x = 130,707,083,625.52
  5. Step 5: Solve for x
    x = 130,707,083,625.52/359,310.66
  6. Step 6: Final answer
    x = 363,771.79

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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.