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Finding the Fourth Proportional to 222,236.80, 333,355.20 and 207,365.20

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Solution

The fourth proportional to 222,236.80, 333,355.20 and 207,365.20 is: 311,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,236.80 : 333,355.20 = 207,365.20 : x
  2. Step 2: Convert to fraction form
    222,236.80/333,355.20 = 207,365.20/x
  3. Step 3: Cross multiply
    222,236.80x = 333,355.20 × 207,365.20
  4. Step 4: Simplify right side
    222,236.80x = 69,126,267,719.04
  5. Step 5: Solve for x
    x = 69,126,267,719.04/222,236.80
  6. Step 6: Final answer
    x = 311,047.80

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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.