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Finding the Fourth Proportional to 663,640.52, 995,464.54 and 165,004.52

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Solution

The fourth proportional to 663,640.52, 995,464.54 and 165,004.52 is: 247,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,640.52 : 995,464.54 = 165,004.52 : x
  2. Step 2: Convert to fraction form
    663,640.52/995,464.54 = 165,004.52/x
  3. Step 3: Cross multiply
    663,640.52x = 995,464.54 × 165,004.52
  4. Step 4: Simplify right side
    663,640.52x = 164,256,148,599.72
  5. Step 5: Solve for x
    x = 164,256,148,599.72/663,640.52
  6. Step 6: Final answer
    x = 247,507.71

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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.