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Finding the Fourth Proportional to 344,659.83, 516,735.50 and 248,442.77

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Solution

The fourth proportional to 344,659.83, 516,735.50 and 248,442.77 is: 372,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,659.83 : 516,735.50 = 248,442.77 : x
  2. Step 2: Convert to fraction form
    344,659.83/516,735.50 = 248,442.77/x
  3. Step 3: Cross multiply
    344,659.83x = 516,735.50 × 248,442.77
  4. Step 4: Simplify right side
    344,659.83x = 128,379,195,151.44
  5. Step 5: Solve for x
    x = 128,379,195,151.44/344,659.83
  6. Step 6: Final answer
    x = 372,480.88

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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.