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Finding the Fourth Proportional to 267,329.42, 401,621.18 and 252,197.81

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Solution

The fourth proportional to 267,329.42, 401,621.18 and 252,197.81 is: 378,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,329.42 : 401,621.18 = 252,197.81 : x
  2. Step 2: Convert to fraction form
    267,329.42/401,621.18 = 252,197.81/x
  3. Step 3: Cross multiply
    267,329.42x = 401,621.18 × 252,197.81
  4. Step 4: Simplify right side
    267,329.42x = 101,287,978,776.52
  5. Step 5: Solve for x
    x = 101,287,978,776.52/267,329.42
  6. Step 6: Final answer
    x = 378,888.27

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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.