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Finding the Fourth Proportional to 450,866.10, 622,044.17 and 259,875.39

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Solution

The fourth proportional to 450,866.10, 622,044.17 and 259,875.39 is: 358,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,866.10 : 622,044.17 = 259,875.39 : x
  2. Step 2: Convert to fraction form
    450,866.10/622,044.17 = 259,875.39/x
  3. Step 3: Cross multiply
    450,866.10x = 622,044.17 × 259,875.39
  4. Step 4: Simplify right side
    450,866.10x = 161,653,969,976.60
  5. Step 5: Solve for x
    x = 161,653,969,976.60/450,866.10
  6. Step 6: Final answer
    x = 358,540.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.