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Finding the Fourth Proportional to 403,091.32, 603,308.22 and 222,899.56

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Solution

The fourth proportional to 403,091.32, 603,308.22 and 222,899.56 is: 333,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,091.32 : 603,308.22 = 222,899.56 : x
  2. Step 2: Convert to fraction form
    403,091.32/603,308.22 = 222,899.56/x
  3. Step 3: Cross multiply
    403,091.32x = 603,308.22 × 222,899.56
  4. Step 4: Simplify right side
    403,091.32x = 134,477,136,782.38
  5. Step 5: Solve for x
    x = 134,477,136,782.38/403,091.32
  6. Step 6: Final answer
    x = 333,614.57

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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.