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Finding the Fourth Proportional to 343,757.50, 474,385.52 and 190,795.75

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Solution

The fourth proportional to 343,757.50, 474,385.52 and 190,795.75 is: 263,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,757.50 : 474,385.52 = 190,795.75 : x
  2. Step 2: Convert to fraction form
    343,757.50/474,385.52 = 190,795.75/x
  3. Step 3: Cross multiply
    343,757.50x = 474,385.52 × 190,795.75
  4. Step 4: Simplify right side
    343,757.50x = 90,510,741,077.54
  5. Step 5: Solve for x
    x = 90,510,741,077.54/343,757.50
  6. Step 6: Final answer
    x = 263,298.23

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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.