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Finding the Fourth Proportional to 334,376.78, 461,439.91 and 191,139.92

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Solution

The fourth proportional to 334,376.78, 461,439.91 and 191,139.92 is: 263,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,376.78 : 461,439.91 = 191,139.92 : x
  2. Step 2: Convert to fraction form
    334,376.78/461,439.91 = 191,139.92/x
  3. Step 3: Cross multiply
    334,376.78x = 461,439.91 × 191,139.92
  4. Step 4: Simplify right side
    334,376.78x = 88,199,584,697.16
  5. Step 5: Solve for x
    x = 88,199,584,697.16/334,376.78
  6. Step 6: Final answer
    x = 263,773.06

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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.