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Finding the Fourth Proportional to 544,892.51, 817,369.52 and 165,825.61

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Solution

The fourth proportional to 544,892.51, 817,369.52 and 165,825.61 is: 248,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,892.51 : 817,369.52 = 165,825.61 : x
  2. Step 2: Convert to fraction form
    544,892.51/817,369.52 = 165,825.61/x
  3. Step 3: Cross multiply
    544,892.51x = 817,369.52 × 165,825.61
  4. Step 4: Simplify right side
    544,892.51x = 135,540,796,376.86
  5. Step 5: Solve for x
    x = 135,540,796,376.86/544,892.51
  6. Step 6: Final answer
    x = 248,747.77

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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.