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Finding the Fourth Proportional to 283,333.12, 425,589.90 and 239,046.64

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Solution

The fourth proportional to 283,333.12, 425,589.90 and 239,046.64 is: 359,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,333.12 : 425,589.90 = 239,046.64 : x
  2. Step 2: Convert to fraction form
    283,333.12/425,589.90 = 239,046.64/x
  3. Step 3: Cross multiply
    283,333.12x = 425,589.90 × 239,046.64
  4. Step 4: Simplify right side
    283,333.12x = 101,735,835,612.94
  5. Step 5: Solve for x
    x = 101,735,835,612.94/283,333.12
  6. Step 6: Final answer
    x = 359,067.93

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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.