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Finding the Fourth Proportional to 222,646.75, 333,453.44 and 220,987.37

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Solution

The fourth proportional to 222,646.75, 333,453.44 and 220,987.37 is: 330,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,646.75 : 333,453.44 = 220,987.37 : x
  2. Step 2: Convert to fraction form
    222,646.75/333,453.44 = 220,987.37/x
  3. Step 3: Cross multiply
    222,646.75x = 333,453.44 × 220,987.37
  4. Step 4: Simplify right side
    222,646.75x = 73,689,000,109.15
  5. Step 5: Solve for x
    x = 73,689,000,109.15/222,646.75
  6. Step 6: Final answer
    x = 330,968.23

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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.