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Finding the Fourth Proportional to 364,523.38, 546,785.08 and 115,185.94

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Solution

The fourth proportional to 364,523.38, 546,785.08 and 115,185.94 is: 172,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,523.38 : 546,785.08 = 115,185.94 : x
  2. Step 2: Convert to fraction form
    364,523.38/546,785.08 = 115,185.94/x
  3. Step 3: Cross multiply
    364,523.38x = 546,785.08 × 115,185.94
  4. Step 4: Simplify right side
    364,523.38x = 62,981,951,762.85
  5. Step 5: Solve for x
    x = 62,981,951,762.85/364,523.38
  6. Step 6: Final answer
    x = 172,778.91

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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.