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Finding the Fourth Proportional to 327,158.76, 451,823.25 and 291,496.30

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Solution

The fourth proportional to 327,158.76, 451,823.25 and 291,496.30 is: 402,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,158.76 : 451,823.25 = 291,496.30 : x
  2. Step 2: Convert to fraction form
    327,158.76/451,823.25 = 291,496.30/x
  3. Step 3: Cross multiply
    327,158.76x = 451,823.25 × 291,496.30
  4. Step 4: Simplify right side
    327,158.76x = 131,704,805,628.98
  5. Step 5: Solve for x
    x = 131,704,805,628.98/327,158.76
  6. Step 6: Final answer
    x = 402,571.54

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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.