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Finding the Fourth Proportional to 544,904.96, 817,388.15 and 165,838.05

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Solution

The fourth proportional to 544,904.96, 817,388.15 and 165,838.05 is: 248,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,904.96 : 817,388.15 = 165,838.05 : x
  2. Step 2: Convert to fraction form
    544,904.96/817,388.15 = 165,838.05/x
  3. Step 3: Cross multiply
    544,904.96x = 817,388.15 × 165,838.05
  4. Step 4: Simplify right side
    544,904.96x = 135,554,056,059.92
  5. Step 5: Solve for x
    x = 135,554,056,059.92/544,904.96
  6. Step 6: Final answer
    x = 248,766.42

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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.