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Finding the Fourth Proportional to 363,631.86, 501,846.84 and 202,486.86

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Solution

The fourth proportional to 363,631.86, 501,846.84 and 202,486.86 is: 279,451.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,631.86 : 501,846.84 = 202,486.86 : x
  2. Step 2: Convert to fraction form
    363,631.86/501,846.84 = 202,486.86/x
  3. Step 3: Cross multiply
    363,631.86x = 501,846.84 × 202,486.86
  4. Step 4: Simplify right side
    363,631.86x = 101,617,390,832.52
  5. Step 5: Solve for x
    x = 101,617,390,832.52/363,631.86
  6. Step 6: Final answer
    x = 279,451.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.