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Finding the Fourth Proportional to 335,424.77, 502,787.15 and 135,882.89

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Solution

The fourth proportional to 335,424.77, 502,787.15 and 135,882.89 is: 203,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,424.77 : 502,787.15 = 135,882.89 : x
  2. Step 2: Convert to fraction form
    335,424.77/502,787.15 = 135,882.89/x
  3. Step 3: Cross multiply
    335,424.77x = 502,787.15 × 135,882.89
  4. Step 4: Simplify right side
    335,424.77x = 68,320,167,803.51
  5. Step 5: Solve for x
    x = 68,320,167,803.51/335,424.77
  6. Step 6: Final answer
    x = 203,682.54

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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.