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Finding the Fourth Proportional to 292,593.88, 439,000.15 and 115,224.54

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Solution

The fourth proportional to 292,593.88, 439,000.15 and 115,224.54 is: 172,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,593.88 : 439,000.15 = 115,224.54 : x
  2. Step 2: Convert to fraction form
    292,593.88/439,000.15 = 115,224.54/x
  3. Step 3: Cross multiply
    292,593.88x = 439,000.15 × 115,224.54
  4. Step 4: Simplify right side
    292,593.88x = 50,583,590,343.68
  5. Step 5: Solve for x
    x = 50,583,590,343.68/292,593.88
  6. Step 6: Final answer
    x = 172,879.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.