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Finding the Fourth Proportional to 366,625.43, 506,014.05 and 239,079.59

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Solution

The fourth proportional to 366,625.43, 506,014.05 and 239,079.59 is: 329,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,625.43 : 506,014.05 = 239,079.59 : x
  2. Step 2: Convert to fraction form
    366,625.43/506,014.05 = 239,079.59/x
  3. Step 3: Cross multiply
    366,625.43x = 506,014.05 × 239,079.59
  4. Step 4: Simplify right side
    366,625.43x = 120,977,631,608.24
  5. Step 5: Solve for x
    x = 120,977,631,608.24/366,625.43
  6. Step 6: Final answer
    x = 329,976.11

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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.