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Finding the Fourth Proportional to 300,755.34, 451,351.53 and 242,297.10

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Solution

The fourth proportional to 300,755.34, 451,351.53 and 242,297.10 is: 363,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,755.34 : 451,351.53 = 242,297.10 : x
  2. Step 2: Convert to fraction form
    300,755.34/451,351.53 = 242,297.10/x
  3. Step 3: Cross multiply
    300,755.34x = 451,351.53 × 242,297.10
  4. Step 4: Simplify right side
    300,755.34x = 109,361,166,799.56
  5. Step 5: Solve for x
    x = 109,361,166,799.56/300,755.34
  6. Step 6: Final answer
    x = 363,621.70

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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.