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Finding the Fourth Proportional to 248,792.86, 372,642.28 and 205,608.87

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Solution

The fourth proportional to 248,792.86, 372,642.28 and 205,608.87 is: 307,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,792.86 : 372,642.28 = 205,608.87 : x
  2. Step 2: Convert to fraction form
    248,792.86/372,642.28 = 205,608.87/x
  3. Step 3: Cross multiply
    248,792.86x = 372,642.28 × 205,608.87
  4. Step 4: Simplify right side
    248,792.86x = 76,618,556,193.59
  5. Step 5: Solve for x
    x = 76,618,556,193.59/248,792.86
  6. Step 6: Final answer
    x = 307,961.24

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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.