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Finding the Fourth Proportional to 490,014.56, 733,950.20 and 347,427.62

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Solution

The fourth proportional to 490,014.56, 733,950.20 and 347,427.62 is: 520,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,014.56 : 733,950.20 = 347,427.62 : x
  2. Step 2: Convert to fraction form
    490,014.56/733,950.20 = 347,427.62/x
  3. Step 3: Cross multiply
    490,014.56x = 733,950.20 × 347,427.62
  4. Step 4: Simplify right side
    490,014.56x = 254,994,573,887.97
  5. Step 5: Solve for x
    x = 254,994,573,887.97/490,014.56
  6. Step 6: Final answer
    x = 520,381.63

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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.