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Finding the Fourth Proportional to 494,447.20, 741,901.20 and 370,031.20

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Solution

The fourth proportional to 494,447.20, 741,901.20 and 370,031.20 is: 555,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,447.20 : 741,901.20 = 370,031.20 : x
  2. Step 2: Convert to fraction form
    494,447.20/741,901.20 = 370,031.20/x
  3. Step 3: Cross multiply
    494,447.20x = 741,901.20 × 370,031.20
  4. Step 4: Simplify right side
    494,447.20x = 274,526,591,317.44
  5. Step 5: Solve for x
    x = 274,526,591,317.44/494,447.20
  6. Step 6: Final answer
    x = 555,219.23

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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.