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Finding the Fourth Proportional to 264,145.86, 364,791.60 and 247,218.48

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Solution

The fourth proportional to 264,145.86, 364,791.60 and 247,218.48 is: 341,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,145.86 : 364,791.60 = 247,218.48 : x
  2. Step 2: Convert to fraction form
    264,145.86/364,791.60 = 247,218.48/x
  3. Step 3: Cross multiply
    264,145.86x = 364,791.60 × 247,218.48
  4. Step 4: Simplify right side
    264,145.86x = 90,183,224,868.77
  5. Step 5: Solve for x
    x = 90,183,224,868.77/264,145.86
  6. Step 6: Final answer
    x = 341,414.49

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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.