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Finding the Fourth Proportional to 573,466.13, 859,789.61 and 269,690.21

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Solution

The fourth proportional to 573,466.13, 859,789.61 and 269,690.21 is: 404,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,466.13 : 859,789.61 = 269,690.21 : x
  2. Step 2: Convert to fraction form
    573,466.13/859,789.61 = 269,690.21/x
  3. Step 3: Cross multiply
    573,466.13x = 859,789.61 × 269,690.21
  4. Step 4: Simplify right side
    573,466.13x = 231,876,839,128.27
  5. Step 5: Solve for x
    x = 231,876,839,128.27/573,466.13
  6. Step 6: Final answer
    x = 404,342.69

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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.