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Finding the Fourth Proportional to 536,169.08, 739,910.64 and 291,151.65

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Solution

The fourth proportional to 536,169.08, 739,910.64 and 291,151.65 is: 401,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,169.08 : 739,910.64 = 291,151.65 : x
  2. Step 2: Convert to fraction form
    536,169.08/739,910.64 = 291,151.65/x
  3. Step 3: Cross multiply
    536,169.08x = 739,910.64 × 291,151.65
  4. Step 4: Simplify right side
    536,169.08x = 215,426,203,688.56
  5. Step 5: Solve for x
    x = 215,426,203,688.56/536,169.08
  6. Step 6: Final answer
    x = 401,787.82

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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.