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Finding the Fourth Proportional to 518,930.08, 778,489.22 and 234,754.54

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Solution

The fourth proportional to 518,930.08, 778,489.22 and 234,754.54 is: 352,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,930.08 : 778,489.22 = 234,754.54 : x
  2. Step 2: Convert to fraction form
    518,930.08/778,489.22 = 234,754.54/x
  3. Step 3: Cross multiply
    518,930.08x = 778,489.22 × 234,754.54
  4. Step 4: Simplify right side
    518,930.08x = 182,753,878,736.06
  5. Step 5: Solve for x
    x = 182,753,878,736.06/518,930.08
  6. Step 6: Final answer
    x = 352,174.38

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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.