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Finding the Fourth Proportional to 344,282.28, 475,079.28 and 191,310.77

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Solution

The fourth proportional to 344,282.28, 475,079.28 and 191,310.77 is: 263,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,282.28 : 475,079.28 = 191,310.77 : x
  2. Step 2: Convert to fraction form
    344,282.28/475,079.28 = 191,310.77/x
  3. Step 3: Cross multiply
    344,282.28x = 475,079.28 × 191,310.77
  4. Step 4: Simplify right side
    344,282.28x = 90,887,784,772.96
  5. Step 5: Solve for x
    x = 90,887,784,772.96/344,282.28
  6. Step 6: Final answer
    x = 263,992.05

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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.