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Finding the Fourth Proportional to 412,287.68, 568,977.54 and 251,116.94

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Solution

The fourth proportional to 412,287.68, 568,977.54 and 251,116.94 is: 346,553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,287.68 : 568,977.54 = 251,116.94 : x
  2. Step 2: Convert to fraction form
    412,287.68/568,977.54 = 251,116.94/x
  3. Step 3: Cross multiply
    412,287.68x = 568,977.54 × 251,116.94
  4. Step 4: Simplify right side
    412,287.68x = 142,879,898,773.53
  5. Step 5: Solve for x
    x = 142,879,898,773.53/412,287.68
  6. Step 6: Final answer
    x = 346,553.89

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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.