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Finding the Fourth Proportional to 335,418.35, 502,777.51 and 135,876.47

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Solution

The fourth proportional to 335,418.35, 502,777.51 and 135,876.47 is: 203,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,418.35 : 502,777.51 = 135,876.47 : x
  2. Step 2: Convert to fraction form
    335,418.35/502,777.51 = 135,876.47/x
  3. Step 3: Cross multiply
    335,418.35x = 502,777.51 × 135,876.47
  4. Step 4: Simplify right side
    335,418.35x = 68,315,630,400.61
  5. Step 5: Solve for x
    x = 68,315,630,400.61/335,418.35
  6. Step 6: Final answer
    x = 203,672.91

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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.