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Finding the Fourth Proportional to 335,067.42, 502,600.11 and 135,385.45

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Solution

The fourth proportional to 335,067.42, 502,600.11 and 135,385.45 is: 203,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,067.42 : 502,600.11 = 135,385.45 : x
  2. Step 2: Convert to fraction form
    335,067.42/502,600.11 = 135,385.45/x
  3. Step 3: Cross multiply
    335,067.42x = 502,600.11 × 135,385.45
  4. Step 4: Simplify right side
    335,067.42x = 68,044,742,062.40
  5. Step 5: Solve for x
    x = 68,044,742,062.40/335,067.42
  6. Step 6: Final answer
    x = 203,077.76

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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.