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Finding the Fourth Proportional to 354,484.62, 531,726.12 and 151,949.39

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Solution

The fourth proportional to 354,484.62, 531,726.12 and 151,949.39 is: 227,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,484.62 : 531,726.12 = 151,949.39 : x
  2. Step 2: Convert to fraction form
    354,484.62/531,726.12 = 151,949.39/x
  3. Step 3: Cross multiply
    354,484.62x = 531,726.12 × 151,949.39
  4. Step 4: Simplify right side
    354,484.62x = 80,795,456,922.44
  5. Step 5: Solve for x
    x = 80,795,456,922.44/354,484.62
  6. Step 6: Final answer
    x = 227,923.73

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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.