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Finding the Fourth Proportional to 536,908.38, 805,367.42 and 162,931.38

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Solution

The fourth proportional to 536,908.38, 805,367.42 and 162,931.38 is: 244,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,908.38 : 805,367.42 = 162,931.38 : x
  2. Step 2: Convert to fraction form
    536,908.38/805,367.42 = 162,931.38/x
  3. Step 3: Cross multiply
    536,908.38x = 805,367.42 × 162,931.38
  4. Step 4: Simplify right side
    536,908.38x = 131,219,625,147.64
  5. Step 5: Solve for x
    x = 131,219,625,147.64/536,908.38
  6. Step 6: Final answer
    x = 244,398.54

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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.