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Finding the Fourth Proportional to 363,397.41, 545,983.08 and 343,255.14

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Solution

The fourth proportional to 363,397.41, 545,983.08 and 343,255.14 is: 515,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,397.41 : 545,983.08 = 343,255.14 : x
  2. Step 2: Convert to fraction form
    363,397.41/545,983.08 = 343,255.14/x
  3. Step 3: Cross multiply
    363,397.41x = 545,983.08 × 343,255.14
  4. Step 4: Simplify right side
    363,397.41x = 187,411,498,563.03
  5. Step 5: Solve for x
    x = 187,411,498,563.03/363,397.41
  6. Step 6: Final answer
    x = 515,720.51

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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.