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Finding the Fourth Proportional to 222,040.80, 333,061.20 and 207,169.20

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Solution

The fourth proportional to 222,040.80, 333,061.20 and 207,169.20 is: 310,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,040.80 : 333,061.20 = 207,169.20 : x
  2. Step 2: Convert to fraction form
    222,040.80/333,061.20 = 207,169.20/x
  3. Step 3: Cross multiply
    222,040.80x = 333,061.20 × 207,169.20
  4. Step 4: Simplify right side
    222,040.80x = 69,000,022,355.04
  5. Step 5: Solve for x
    x = 69,000,022,355.04/222,040.80
  6. Step 6: Final answer
    x = 310,753.80

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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.