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Finding the Fourth Proportional to 270,340.74, 373,055.13 and 149,474.75

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Solution

The fourth proportional to 270,340.74, 373,055.13 and 149,474.75 is: 206,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,340.74 : 373,055.13 = 149,474.75 : x
  2. Step 2: Convert to fraction form
    270,340.74/373,055.13 = 149,474.75/x
  3. Step 3: Cross multiply
    270,340.74x = 373,055.13 × 149,474.75
  4. Step 4: Simplify right side
    270,340.74x = 55,762,320,427.69
  5. Step 5: Solve for x
    x = 55,762,320,427.69/270,340.74
  6. Step 6: Final answer
    x = 206,266.80

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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.