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Finding the Fourth Proportional to 636,170.72, 954,255.48 and 162,855.44

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Solution

The fourth proportional to 636,170.72, 954,255.48 and 162,855.44 is: 244,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,170.72 : 954,255.48 = 162,855.44 : x
  2. Step 2: Convert to fraction form
    636,170.72/954,255.48 = 162,855.44/x
  3. Step 3: Cross multiply
    636,170.72x = 954,255.48 × 162,855.44
  4. Step 4: Simplify right side
    636,170.72x = 155,405,696,067.81
  5. Step 5: Solve for x
    x = 155,405,696,067.81/636,170.72
  6. Step 6: Final answer
    x = 244,283.01

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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.