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Finding the Fourth Proportional to 356,324.32, 491,727.72 and 195,189.52

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Solution

The fourth proportional to 356,324.32, 491,727.72 and 195,189.52 is: 269,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,324.32 : 491,727.72 = 195,189.52 : x
  2. Step 2: Convert to fraction form
    356,324.32/491,727.72 = 195,189.52/x
  3. Step 3: Cross multiply
    356,324.32x = 491,727.72 × 195,189.52
  4. Step 4: Simplify right side
    356,324.32x = 95,980,097,637.49
  5. Step 5: Solve for x
    x = 95,980,097,637.49/356,324.32
  6. Step 6: Final answer
    x = 269,361.62

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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.