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Finding the Fourth Proportional to 222,405.40, 333,607.02 and 74,661.40

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Solution

The fourth proportional to 222,405.40, 333,607.02 and 74,661.40 is: 111,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,405.40 : 333,607.02 = 74,661.40 : x
  2. Step 2: Convert to fraction form
    222,405.40/333,607.02 = 74,661.40/x
  3. Step 3: Cross multiply
    222,405.40x = 333,607.02 × 74,661.40
  4. Step 4: Simplify right side
    222,405.40x = 24,907,567,163.03
  5. Step 5: Solve for x
    x = 24,907,567,163.03/222,405.40
  6. Step 6: Final answer
    x = 111,991.74

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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.