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Finding the Fourth Proportional to 447,331.60, 670,851.60 and 166,812.40

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Solution

The fourth proportional to 447,331.60, 670,851.60 and 166,812.40 is: 250,164.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,331.60 : 670,851.60 = 166,812.40 : x
  2. Step 2: Convert to fraction form
    447,331.60/670,851.60 = 166,812.40/x
  3. Step 3: Cross multiply
    447,331.60x = 670,851.60 × 166,812.40
  4. Step 4: Simplify right side
    447,331.60x = 111,906,365,439.84
  5. Step 5: Solve for x
    x = 111,906,365,439.84/447,331.60
  6. Step 6: Final answer
    x = 250,164.23

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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.