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Finding the Fourth Proportional to 339,446.56, 508,394.76 and 162,078.08

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Solution

The fourth proportional to 339,446.56, 508,394.76 and 162,078.08 is: 242,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,446.56 : 508,394.76 = 162,078.08 : x
  2. Step 2: Convert to fraction form
    339,446.56/508,394.76 = 162,078.08/x
  3. Step 3: Cross multiply
    339,446.56x = 508,394.76 × 162,078.08
  4. Step 4: Simplify right side
    339,446.56x = 82,399,646,582.86
  5. Step 5: Solve for x
    x = 82,399,646,582.86/339,446.56
  6. Step 6: Final answer
    x = 242,747.04

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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.