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Finding the Fourth Proportional to 327,535.48, 490,515.90 and 186,867.64

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Solution

The fourth proportional to 327,535.48, 490,515.90 and 186,867.64 is: 279,852.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,535.48 : 490,515.90 = 186,867.64 : x
  2. Step 2: Convert to fraction form
    327,535.48/490,515.90 = 186,867.64/x
  3. Step 3: Cross multiply
    327,535.48x = 490,515.90 × 186,867.64
  4. Step 4: Simplify right side
    327,535.48x = 91,661,548,615.48
  5. Step 5: Solve for x
    x = 91,661,548,615.48/327,535.48
  6. Step 6: Final answer
    x = 279,852.27

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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.