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Finding the Fourth Proportional to 448,682.88, 673,469.44 and 238,322.56

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Solution

The fourth proportional to 448,682.88, 673,469.44 and 238,322.56 is: 357,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,682.88 : 673,469.44 = 238,322.56 : x
  2. Step 2: Convert to fraction form
    448,682.88/673,469.44 = 238,322.56/x
  3. Step 3: Cross multiply
    448,682.88x = 673,469.44 × 238,322.56
  4. Step 4: Simplify right side
    448,682.88x = 160,502,961,022.57
  5. Step 5: Solve for x
    x = 160,502,961,022.57/448,682.88
  6. Step 6: Final answer
    x = 357,720.27

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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.