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Finding the Fourth Proportional to 335,777.88, 503,841.78 and 148,745.64

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Solution

The fourth proportional to 335,777.88, 503,841.78 and 148,745.64 is: 223,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,777.88 : 503,841.78 = 148,745.64 : x
  2. Step 2: Convert to fraction form
    335,777.88/503,841.78 = 148,745.64/x
  3. Step 3: Cross multiply
    335,777.88x = 503,841.78 × 148,745.64
  4. Step 4: Simplify right side
    335,777.88x = 74,944,268,024.84
  5. Step 5: Solve for x
    x = 74,944,268,024.84/335,777.88
  6. Step 6: Final answer
    x = 223,195.97

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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.