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Finding the Fourth Proportional to 544,411.66, 816,618.82 and 165,335.28

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Solution

The fourth proportional to 544,411.66, 816,618.82 and 165,335.28 is: 248,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,411.66 : 816,618.82 = 165,335.28 : x
  2. Step 2: Convert to fraction form
    544,411.66/816,618.82 = 165,335.28/x
  3. Step 3: Cross multiply
    544,411.66x = 816,618.82 × 165,335.28
  4. Step 4: Simplify right side
    544,411.66x = 135,015,901,257.97
  5. Step 5: Solve for x
    x = 135,015,901,257.97/544,411.66
  6. Step 6: Final answer
    x = 248,003.32

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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.