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Finding the Fourth Proportional to 327,371.59, 490,859.74 and 127,653.67

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Solution

The fourth proportional to 327,371.59, 490,859.74 and 127,653.67 is: 191,403.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,371.59 : 490,859.74 = 127,653.67 : x
  2. Step 2: Convert to fraction form
    327,371.59/490,859.74 = 127,653.67/x
  3. Step 3: Cross multiply
    327,371.59x = 490,859.74 × 127,653.67
  4. Step 4: Simplify right side
    327,371.59x = 62,660,047,266.25
  5. Step 5: Solve for x
    x = 62,660,047,266.25/327,371.59
  6. Step 6: Final answer
    x = 191,403.44

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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.