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Finding the Fourth Proportional to 334,375.90, 461,438.70 and 191,139.01

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Solution

The fourth proportional to 334,375.90, 461,438.70 and 191,139.01 is: 263,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,375.90 : 461,438.70 = 191,139.01 : x
  2. Step 2: Convert to fraction form
    334,375.90/461,438.70 = 191,139.01/x
  3. Step 3: Cross multiply
    334,375.90x = 461,438.70 × 191,139.01
  4. Step 4: Simplify right side
    334,375.90x = 88,198,936,293.69
  5. Step 5: Solve for x
    x = 88,198,936,293.69/334,375.90
  6. Step 6: Final answer
    x = 263,771.81

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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.