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Finding the Fourth Proportional to 299,223.56, 448,447.54 and 121,524.14

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Solution

The fourth proportional to 299,223.56, 448,447.54 and 121,524.14 is: 182,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,223.56 : 448,447.54 = 121,524.14 : x
  2. Step 2: Convert to fraction form
    299,223.56/448,447.54 = 121,524.14/x
  3. Step 3: Cross multiply
    299,223.56x = 448,447.54 × 121,524.14
  4. Step 4: Simplify right side
    299,223.56x = 54,497,201,633.62
  5. Step 5: Solve for x
    x = 54,497,201,633.62/299,223.56
  6. Step 6: Final answer
    x = 182,128.71

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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.