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Finding the Fourth Proportional to 332,168, 498,247.32 and 154,575.68

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Solution

The fourth proportional to 332,168, 498,247.32 and 154,575.68 is: 231,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,168 : 498,247.32 = 154,575.68 : x
  2. Step 2: Convert to fraction form
    332,168/498,247.32 = 154,575.68/x
  3. Step 3: Cross multiply
    332,168x = 498,247.32 × 154,575.68
  4. Step 4: Simplify right side
    332,168x = 77,016,918,297.18
  5. Step 5: Solve for x
    x = 77,016,918,297.18/332,168
  6. Step 6: Final answer
    x = 231,861.34

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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.