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Finding the Fourth Proportional to 331,262.64, 496,252.44 and 198,247.68

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Solution

The fourth proportional to 331,262.64, 496,252.44 and 198,247.68 is: 296,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,262.64 : 496,252.44 = 198,247.68 : x
  2. Step 2: Convert to fraction form
    331,262.64/496,252.44 = 198,247.68/x
  3. Step 3: Cross multiply
    331,262.64x = 496,252.44 × 198,247.68
  4. Step 4: Simplify right side
    331,262.64x = 98,380,894,924.34
  5. Step 5: Solve for x
    x = 98,380,894,924.34/331,262.64
  6. Step 6: Final answer
    x = 296,987.60

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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.