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Finding the Fourth Proportional to 270,029.20, 372,195.84 and 191,473.60

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Solution

The fourth proportional to 270,029.20, 372,195.84 and 191,473.60 is: 263,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,029.20 : 372,195.84 = 191,473.60 : x
  2. Step 2: Convert to fraction form
    270,029.20/372,195.84 = 191,473.60/x
  3. Step 3: Cross multiply
    270,029.20x = 372,195.84 × 191,473.60
  4. Step 4: Simplify right side
    270,029.20x = 71,265,677,389.82
  5. Step 5: Solve for x
    x = 71,265,677,389.82/270,029.20
  6. Step 6: Final answer
    x = 263,918.41

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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.