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Finding the Fourth Proportional to 658,198.42, 987,335.92 and 184,920.68

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Solution

The fourth proportional to 658,198.42, 987,335.92 and 184,920.68 is: 277,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,198.42 : 987,335.92 = 184,920.68 : x
  2. Step 2: Convert to fraction form
    658,198.42/987,335.92 = 184,920.68/x
  3. Step 3: Cross multiply
    658,198.42x = 987,335.92 × 184,920.68
  4. Step 4: Simplify right side
    658,198.42x = 182,578,829,714.83
  5. Step 5: Solve for x
    x = 182,578,829,714.83/658,198.42
  6. Step 6: Final answer
    x = 277,391.78

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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.