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Finding the Fourth Proportional to 321,847.02, 444,164.04 and 178,608.24

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Solution

The fourth proportional to 321,847.02, 444,164.04 and 178,608.24 is: 246,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,847.02 : 444,164.04 = 178,608.24 : x
  2. Step 2: Convert to fraction form
    321,847.02/444,164.04 = 178,608.24/x
  3. Step 3: Cross multiply
    321,847.02x = 444,164.04 × 178,608.24
  4. Step 4: Simplify right side
    321,847.02x = 79,331,357,455.69
  5. Step 5: Solve for x
    x = 79,331,357,455.69/321,847.02
  6. Step 6: Final answer
    x = 246,487.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.