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Finding the Fourth Proportional to 554,876.73, 765,671.27 and 322,258.23

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Solution

The fourth proportional to 554,876.73, 765,671.27 and 322,258.23 is: 444,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,876.73 : 765,671.27 = 322,258.23 : x
  2. Step 2: Convert to fraction form
    554,876.73/765,671.27 = 322,258.23/x
  3. Step 3: Cross multiply
    554,876.73x = 765,671.27 × 322,258.23
  4. Step 4: Simplify right side
    554,876.73x = 246,743,866,620.76
  5. Step 5: Solve for x
    x = 246,743,866,620.76/554,876.73
  6. Step 6: Final answer
    x = 444,682.31

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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.