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Finding the Fourth Proportional to 447,626.40, 671,209.20 and 166,999.20

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Solution

The fourth proportional to 447,626.40, 671,209.20 and 166,999.20 is: 250,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,626.40 : 671,209.20 = 166,999.20 : x
  2. Step 2: Convert to fraction form
    447,626.40/671,209.20 = 166,999.20/x
  3. Step 3: Cross multiply
    447,626.40x = 671,209.20 × 166,999.20
  4. Step 4: Simplify right side
    447,626.40x = 112,091,399,432.64
  5. Step 5: Solve for x
    x = 112,091,399,432.64/447,626.40
  6. Step 6: Final answer
    x = 250,412.84

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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.