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Finding the Fourth Proportional to 339,185.48, 508,823.78 and 179,338.86

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Solution

The fourth proportional to 339,185.48, 508,823.78 and 179,338.86 is: 269,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,185.48 : 508,823.78 = 179,338.86 : x
  2. Step 2: Convert to fraction form
    339,185.48/508,823.78 = 179,338.86/x
  3. Step 3: Cross multiply
    339,185.48x = 508,823.78 × 179,338.86
  4. Step 4: Simplify right side
    339,185.48x = 91,251,875,749.40
  5. Step 5: Solve for x
    x = 91,251,875,749.40/339,185.48
  6. Step 6: Final answer
    x = 269,032.38

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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.