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Finding the Fourth Proportional to 270,409.62, 373,162.88 and 149,548.31

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Solution

The fourth proportional to 270,409.62, 373,162.88 and 149,548.31 is: 206,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,409.62 : 373,162.88 = 149,548.31 : x
  2. Step 2: Convert to fraction form
    270,409.62/373,162.88 = 149,548.31/x
  3. Step 3: Cross multiply
    270,409.62x = 373,162.88 × 149,548.31
  4. Step 4: Simplify right side
    270,409.62x = 55,805,878,058.73
  5. Step 5: Solve for x
    x = 55,805,878,058.73/270,409.62
  6. Step 6: Final answer
    x = 206,375.34

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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.