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Finding the Fourth Proportional to 222,443.20, 333,664.80 and 220,110.40

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Solution

The fourth proportional to 222,443.20, 333,664.80 and 220,110.40 is: 330,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,443.20 : 333,664.80 = 220,110.40 : x
  2. Step 2: Convert to fraction form
    222,443.20/333,664.80 = 220,110.40/x
  3. Step 3: Cross multiply
    222,443.20x = 333,664.80 × 220,110.40
  4. Step 4: Simplify right side
    222,443.20x = 73,443,092,593.92
  5. Step 5: Solve for x
    x = 73,443,092,593.92/222,443.20
  6. Step 6: Final answer
    x = 330,165.60

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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.