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Finding the Fourth Proportional to 559,169.33, 771,661.92 and 304,519.91

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Solution

The fourth proportional to 559,169.33, 771,661.92 and 304,519.91 is: 420,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,169.33 : 771,661.92 = 304,519.91 : x
  2. Step 2: Convert to fraction form
    559,169.33/771,661.92 = 304,519.91/x
  3. Step 3: Cross multiply
    559,169.33x = 771,661.92 × 304,519.91
  4. Step 4: Simplify right side
    559,169.33x = 234,986,418,428.83
  5. Step 5: Solve for x
    x = 234,986,418,428.83/559,169.33
  6. Step 6: Final answer
    x = 420,241.97

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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.