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Finding the Fourth Proportional to 323,173.05, 484,836.48 and 162,855.06

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Solution

The fourth proportional to 323,173.05, 484,836.48 and 162,855.06 is: 244,321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,173.05 : 484,836.48 = 162,855.06 : x
  2. Step 2: Convert to fraction form
    323,173.05/484,836.48 = 162,855.06/x
  3. Step 3: Cross multiply
    323,173.05x = 484,836.48 × 162,855.06
  4. Step 4: Simplify right side
    323,173.05x = 78,958,074,040.59
  5. Step 5: Solve for x
    x = 78,958,074,040.59/323,173.05
  6. Step 6: Final answer
    x = 244,321.34

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1.5x scale

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.