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Finding the Fourth Proportional to 492,176.80, 737,860.20 and 222,322.60

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Solution

The fourth proportional to 492,176.80, 737,860.20 and 222,322.60 is: 333,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,176.80 : 737,860.20 = 222,322.60 : x
  2. Step 2: Convert to fraction form
    492,176.80/737,860.20 = 222,322.60/x
  3. Step 3: Cross multiply
    492,176.80x = 737,860.20 × 222,322.60
  4. Step 4: Simplify right side
    492,176.80x = 164,042,998,100.52
  5. Step 5: Solve for x
    x = 164,042,998,100.52/492,176.80
  6. Step 6: Final answer
    x = 333,300.96

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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.