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Finding the Fourth Proportional to 403,249.60, 604,849.92 and 178,544.56

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Solution

The fourth proportional to 403,249.60, 604,849.92 and 178,544.56 is: 267,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,249.60 : 604,849.92 = 178,544.56 : x
  2. Step 2: Convert to fraction form
    403,249.60/604,849.92 = 178,544.56/x
  3. Step 3: Cross multiply
    403,249.60x = 604,849.92 × 178,544.56
  4. Step 4: Simplify right side
    403,249.60x = 107,992,662,832.44
  5. Step 5: Solve for x
    x = 107,992,662,832.44/403,249.60
  6. Step 6: Final answer
    x = 267,806.00

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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.