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Finding the Fourth Proportional to 364,608.86, 547,001.46 and 136,906.52

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Solution

The fourth proportional to 364,608.86, 547,001.46 and 136,906.52 is: 205,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,608.86 : 547,001.46 = 136,906.52 : x
  2. Step 2: Convert to fraction form
    364,608.86/547,001.46 = 136,906.52/x
  3. Step 3: Cross multiply
    364,608.86x = 547,001.46 × 136,906.52
  4. Step 4: Simplify right side
    364,608.86x = 74,888,063,588.51
  5. Step 5: Solve for x
    x = 74,888,063,588.51/364,608.86
  6. Step 6: Final answer
    x = 205,392.88

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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.