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Finding the Fourth Proportional to 663,628.52, 995,446.40 and 164,992.52

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Solution

The fourth proportional to 663,628.52, 995,446.40 and 164,992.52 is: 247,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,628.52 : 995,446.40 = 164,992.52 : x
  2. Step 2: Convert to fraction form
    663,628.52/995,446.40 = 164,992.52/x
  3. Step 3: Cross multiply
    663,628.52x = 995,446.40 × 164,992.52
  4. Step 4: Simplify right side
    663,628.52x = 164,241,210,060.93
  5. Step 5: Solve for x
    x = 164,241,210,060.93/663,628.52
  6. Step 6: Final answer
    x = 247,489.68

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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.