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Finding the Fourth Proportional to 616,949.03, 925,489.24 and 196,126.49

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Solution

The fourth proportional to 616,949.03, 925,489.24 and 196,126.49 is: 294,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,949.03 : 925,489.24 = 196,126.49 : x
  2. Step 2: Convert to fraction form
    616,949.03/925,489.24 = 196,126.49/x
  3. Step 3: Cross multiply
    616,949.03x = 925,489.24 × 196,126.49
  4. Step 4: Simplify right side
    616,949.03x = 181,512,951,056.21
  5. Step 5: Solve for x
    x = 181,512,951,056.21/616,949.03
  6. Step 6: Final answer
    x = 294,210.61

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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.