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Finding the Fourth Proportional to 376,064.58, 518,976.14 and 230,797.53

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Solution

The fourth proportional to 376,064.58, 518,976.14 and 230,797.53 is: 318,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,064.58 : 518,976.14 = 230,797.53 : x
  2. Step 2: Convert to fraction form
    376,064.58/518,976.14 = 230,797.53/x
  3. Step 3: Cross multiply
    376,064.58x = 518,976.14 × 230,797.53
  4. Step 4: Simplify right side
    376,064.58x = 119,778,410,086.95
  5. Step 5: Solve for x
    x = 119,778,410,086.95/376,064.58
  6. Step 6: Final answer
    x = 318,504.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.