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Finding the Fourth Proportional to 222,305.45, 333,459.01 and 53,825.50

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Solution

The fourth proportional to 222,305.45, 333,459.01 and 53,825.50 is: 80,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,305.45 : 333,459.01 = 53,825.50 : x
  2. Step 2: Convert to fraction form
    222,305.45/333,459.01 = 53,825.50/x
  3. Step 3: Cross multiply
    222,305.45x = 333,459.01 × 53,825.50
  4. Step 4: Simplify right side
    222,305.45x = 17,948,597,942.76
  5. Step 5: Solve for x
    x = 17,948,597,942.76/222,305.45
  6. Step 6: Final answer
    x = 80,738.45

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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.