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Finding the Fourth Proportional to 447,630.80, 671,446.20 and 167,133.20

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Solution

The fourth proportional to 447,630.80, 671,446.20 and 167,133.20 is: 250,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,630.80 : 671,446.20 = 167,133.20 : x
  2. Step 2: Convert to fraction form
    447,630.80/671,446.20 = 167,133.20/x
  3. Step 3: Cross multiply
    447,630.80x = 671,446.20 × 167,133.20
  4. Step 4: Simplify right side
    447,630.80x = 112,220,952,033.84
  5. Step 5: Solve for x
    x = 112,220,952,033.84/447,630.80
  6. Step 6: Final answer
    x = 250,699.80

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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.