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Finding the Fourth Proportional to 544,884.10, 817,356.85 and 165,817.16

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Solution

The fourth proportional to 544,884.10, 817,356.85 and 165,817.16 is: 248,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,884.10 : 817,356.85 = 165,817.16 : x
  2. Step 2: Convert to fraction form
    544,884.10/817,356.85 = 165,817.16/x
  3. Step 3: Cross multiply
    544,884.10x = 817,356.85 × 165,817.16
  4. Step 4: Simplify right side
    544,884.10x = 135,531,790,137.31
  5. Step 5: Solve for x
    x = 135,531,790,137.31/544,884.10
  6. Step 6: Final answer
    x = 248,735.08

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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.