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Finding the Fourth Proportional to 344,179.86, 474,835.53 and 253,750.78

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Solution

The fourth proportional to 344,179.86, 474,835.53 and 253,750.78 is: 350,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,179.86 : 474,835.53 = 253,750.78 : x
  2. Step 2: Convert to fraction form
    344,179.86/474,835.53 = 253,750.78/x
  3. Step 3: Cross multiply
    344,179.86x = 474,835.53 × 253,750.78
  4. Step 4: Simplify right side
    344,179.86x = 120,489,886,109.21
  5. Step 5: Solve for x
    x = 120,489,886,109.21/344,179.86
  6. Step 6: Final answer
    x = 350,078.26

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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.