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Finding the Fourth Proportional to 367,615.20, 550,932.12 and 196,486.32

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Solution

The fourth proportional to 367,615.20, 550,932.12 and 196,486.32 is: 294,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,615.20 : 550,932.12 = 196,486.32 : x
  2. Step 2: Convert to fraction form
    367,615.20/550,932.12 = 196,486.32/x
  3. Step 3: Cross multiply
    367,615.20x = 550,932.12 × 196,486.32
  4. Step 4: Simplify right side
    367,615.20x = 108,250,624,828.60
  5. Step 5: Solve for x
    x = 108,250,624,828.60/367,615.20
  6. Step 6: Final answer
    x = 294,467.22

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1.5x scale

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.