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Finding the Fourth Proportional to 573,067.35, 790,800.76 and 343,509.75

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Solution

The fourth proportional to 573,067.35, 790,800.76 and 343,509.75 is: 474,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,067.35 : 790,800.76 = 343,509.75 : x
  2. Step 2: Convert to fraction form
    573,067.35/790,800.76 = 343,509.75/x
  3. Step 3: Cross multiply
    573,067.35x = 790,800.76 × 343,509.75
  4. Step 4: Simplify right side
    573,067.35x = 271,647,765,695.86
  5. Step 5: Solve for x
    x = 271,647,765,695.86/573,067.35
  6. Step 6: Final answer
    x = 474,024.16

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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.