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Finding the Fourth Proportional to 267,268.09, 400,475.66 and 195,859.79

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Solution

The fourth proportional to 267,268.09, 400,475.66 and 195,859.79 is: 293,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,268.09 : 400,475.66 = 195,859.79 : x
  2. Step 2: Convert to fraction form
    267,268.09/400,475.66 = 195,859.79/x
  3. Step 3: Cross multiply
    267,268.09x = 400,475.66 × 195,859.79
  4. Step 4: Simplify right side
    267,268.09x = 78,437,077,688.41
  5. Step 5: Solve for x
    x = 78,437,077,688.41/267,268.09
  6. Step 6: Final answer
    x = 293,477.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.