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Finding the Fourth Proportional to 635,179.50, 876,548.52 and 344,790.86

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Solution

The fourth proportional to 635,179.50, 876,548.52 and 344,790.86 is: 475,811.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,179.50 : 876,548.52 = 344,790.86 : x
  2. Step 2: Convert to fraction form
    635,179.50/876,548.52 = 344,790.86/x
  3. Step 3: Cross multiply
    635,179.50x = 876,548.52 × 344,790.86
  4. Step 4: Simplify right side
    635,179.50x = 302,225,918,042.53
  5. Step 5: Solve for x
    x = 302,225,918,042.53/635,179.50
  6. Step 6: Final answer
    x = 475,811.83

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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.