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Finding the Fourth Proportional to 272,625.38, 376,370.64 and 191,203.64

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Solution

The fourth proportional to 272,625.38, 376,370.64 and 191,203.64 is: 263,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,625.38 : 376,370.64 = 191,203.64 : x
  2. Step 2: Convert to fraction form
    272,625.38/376,370.64 = 191,203.64/x
  3. Step 3: Cross multiply
    272,625.38x = 376,370.64 × 191,203.64
  4. Step 4: Simplify right side
    272,625.38x = 71,963,436,357.13
  5. Step 5: Solve for x
    x = 71,963,436,357.13/272,625.38
  6. Step 6: Final answer
    x = 263,964.55

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1.5x scale

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.