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Finding the Fourth Proportional to 467,992.80, 702,076.64 and 187,531.92

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Solution

The fourth proportional to 467,992.80, 702,076.64 and 187,531.92 is: 281,332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,992.80 : 702,076.64 = 187,531.92 : x
  2. Step 2: Convert to fraction form
    467,992.80/702,076.64 = 187,531.92/x
  3. Step 3: Cross multiply
    467,992.80x = 702,076.64 × 187,531.92
  4. Step 4: Simplify right side
    467,992.80x = 131,661,780,286.35
  5. Step 5: Solve for x
    x = 131,661,780,286.35/467,992.80
  6. Step 6: Final answer
    x = 281,332.92

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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.