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Finding the Fourth Proportional to 559,167.33, 771,659.16 and 304,517.91

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Solution

The fourth proportional to 559,167.33, 771,659.16 and 304,517.91 is: 420,239.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,167.33 : 771,659.16 = 304,517.91 : x
  2. Step 2: Convert to fraction form
    559,167.33/771,659.16 = 304,517.91/x
  3. Step 3: Cross multiply
    559,167.33x = 771,659.16 × 304,517.91
  4. Step 4: Simplify right side
    559,167.33x = 234,984,034,635.56
  5. Step 5: Solve for x
    x = 234,984,034,635.56/559,167.33
  6. Step 6: Final answer
    x = 420,239.21

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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.