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Finding the Fourth Proportional to 494,536.52, 740,651.12 and 361,085.78

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Solution

The fourth proportional to 494,536.52, 740,651.12 and 361,085.78 is: 540,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,536.52 : 740,651.12 = 361,085.78 : x
  2. Step 2: Convert to fraction form
    494,536.52/740,651.12 = 361,085.78/x
  3. Step 3: Cross multiply
    494,536.52x = 740,651.12 × 361,085.78
  4. Step 4: Simplify right side
    494,536.52x = 267,438,587,373.07
  5. Step 5: Solve for x
    x = 267,438,587,373.07/494,536.52
  6. Step 6: Final answer
    x = 540,786.33

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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.