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Finding the Fourth Proportional to 327,075.59, 490,803.74 and 137,522.22

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Solution

The fourth proportional to 327,075.59, 490,803.74 and 137,522.22 is: 206,363.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,075.59 : 490,803.74 = 137,522.22 : x
  2. Step 2: Convert to fraction form
    327,075.59/490,803.74 = 137,522.22/x
  3. Step 3: Cross multiply
    327,075.59x = 490,803.74 × 137,522.22
  4. Step 4: Simplify right side
    327,075.59x = 67,496,419,221.49
  5. Step 5: Solve for x
    x = 67,496,419,221.49/327,075.59
  6. Step 6: Final answer
    x = 206,363.37

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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.