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Finding the Fourth Proportional to 301,447.53, 415,912.37 and 194,079.74

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Solution

The fourth proportional to 301,447.53, 415,912.37 and 194,079.74 is: 267,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,447.53 : 415,912.37 = 194,079.74 : x
  2. Step 2: Convert to fraction form
    301,447.53/415,912.37 = 194,079.74/x
  3. Step 3: Cross multiply
    301,447.53x = 415,912.37 × 194,079.74
  4. Step 4: Simplify right side
    301,447.53x = 80,720,161,582.42
  5. Step 5: Solve for x
    x = 80,720,161,582.42/301,447.53
  6. Step 6: Final answer
    x = 267,775.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.