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Finding the Fourth Proportional to 559,589.24, 772,233.18 and 304,940.36

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Solution

The fourth proportional to 559,589.24, 772,233.18 and 304,940.36 is: 420,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,589.24 : 772,233.18 = 304,940.36 : x
  2. Step 2: Convert to fraction form
    559,589.24/772,233.18 = 304,940.36/x
  3. Step 3: Cross multiply
    559,589.24x = 772,233.18 × 304,940.36
  4. Step 4: Simplify right side
    559,589.24x = 235,485,063,913.15
  5. Step 5: Solve for x
    x = 235,485,063,913.15/559,589.24
  6. Step 6: Final answer
    x = 420,817.71

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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.