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Finding the Fourth Proportional to 222,003.40, 333,005.10 and 220,448.20

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Solution

The fourth proportional to 222,003.40, 333,005.10 and 220,448.20 is: 330,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,003.40 : 333,005.10 = 220,448.20 : x
  2. Step 2: Convert to fraction form
    222,003.40/333,005.10 = 220,448.20/x
  3. Step 3: Cross multiply
    222,003.40x = 333,005.10 × 220,448.20
  4. Step 4: Simplify right side
    222,003.40x = 73,410,374,885.82
  5. Step 5: Solve for x
    x = 73,410,374,885.82/222,003.40
  6. Step 6: Final answer
    x = 330,672.30

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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.