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Finding the Fourth Proportional to 544,999.67, 817,622.52 and 165,954.30

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Solution

The fourth proportional to 544,999.67, 817,622.52 and 165,954.30 is: 248,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,999.67 : 817,622.52 = 165,954.30 : x
  2. Step 2: Convert to fraction form
    544,999.67/817,622.52 = 165,954.30/x
  3. Step 3: Cross multiply
    544,999.67x = 817,622.52 × 165,954.30
  4. Step 4: Simplify right side
    544,999.67x = 135,687,968,882.72
  5. Step 5: Solve for x
    x = 135,687,968,882.72/544,999.67
  6. Step 6: Final answer
    x = 248,968.90

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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.