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Finding the Fourth Proportional to 544,883.28, 817,355.62 and 165,816.34

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Solution

The fourth proportional to 544,883.28, 817,355.62 and 165,816.34 is: 248,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,883.28 : 817,355.62 = 165,816.34 : x
  2. Step 2: Convert to fraction form
    544,883.28/817,355.62 = 165,816.34/x
  3. Step 3: Cross multiply
    544,883.28x = 817,355.62 × 165,816.34
  4. Step 4: Simplify right side
    544,883.28x = 135,530,917,386.83
  5. Step 5: Solve for x
    x = 135,530,917,386.83/544,883.28
  6. Step 6: Final answer
    x = 248,733.85

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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.