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Finding the Fourth Proportional to 592,109.20, 888,163.80 and 218,083.60

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Solution

The fourth proportional to 592,109.20, 888,163.80 and 218,083.60 is: 327,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,109.20 : 888,163.80 = 218,083.60 : x
  2. Step 2: Convert to fraction form
    592,109.20/888,163.80 = 218,083.60/x
  3. Step 3: Cross multiply
    592,109.20x = 888,163.80 × 218,083.60
  4. Step 4: Simplify right side
    592,109.20x = 193,693,958,893.68
  5. Step 5: Solve for x
    x = 193,693,958,893.68/592,109.20
  6. Step 6: Final answer
    x = 327,125.40

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Similar ratio
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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.