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Finding the Fourth Proportional to 544,954.56, 817,431.04 and 171,006.72

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Solution

The fourth proportional to 544,954.56, 817,431.04 and 171,006.72 is: 256,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,954.56 : 817,431.04 = 171,006.72 : x
  2. Step 2: Convert to fraction form
    544,954.56/817,431.04 = 171,006.72/x
  3. Step 3: Cross multiply
    544,954.56x = 817,431.04 × 171,006.72
  4. Step 4: Simplify right side
    544,954.56x = 139,786,200,976.59
  5. Step 5: Solve for x
    x = 139,786,200,976.59/544,954.56
  6. Step 6: Final answer
    x = 256,509.83

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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.