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Finding the Fourth Proportional to 344,815.27, 475,803.28 and 191,817.30

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Solution

The fourth proportional to 344,815.27, 475,803.28 and 191,817.30 is: 264,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,815.27 : 475,803.28 = 191,817.30 : x
  2. Step 2: Convert to fraction form
    344,815.27/475,803.28 = 191,817.30/x
  3. Step 3: Cross multiply
    344,815.27x = 475,803.28 × 191,817.30
  4. Step 4: Simplify right side
    344,815.27x = 91,267,300,500.74
  5. Step 5: Solve for x
    x = 91,267,300,500.74/344,815.27
  6. Step 6: Final answer
    x = 264,684.63

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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.