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Finding the Fourth Proportional to 344,120.97, 474,870.90 and 191,169.09

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Solution

The fourth proportional to 344,120.97, 474,870.90 and 191,169.09 is: 263,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,120.97 : 474,870.90 = 191,169.09 : x
  2. Step 2: Convert to fraction form
    344,120.97/474,870.90 = 191,169.09/x
  3. Step 3: Cross multiply
    344,120.97x = 474,870.90 × 191,169.09
  4. Step 4: Simplify right side
    344,120.97x = 90,780,637,820.48
  5. Step 5: Solve for x
    x = 90,780,637,820.48/344,120.97
  6. Step 6: Final answer
    x = 263,804.43

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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.