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Finding the Fourth Proportional to 449,365.30, 674,145.15 and 149,794.90

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Solution

The fourth proportional to 449,365.30, 674,145.15 and 149,794.90 is: 224,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,365.30 : 674,145.15 = 149,794.90 : x
  2. Step 2: Convert to fraction form
    449,365.30/674,145.15 = 149,794.90/x
  3. Step 3: Cross multiply
    449,365.30x = 674,145.15 × 149,794.90
  4. Step 4: Simplify right side
    449,365.30x = 100,983,505,329.74
  5. Step 5: Solve for x
    x = 100,983,505,329.74/449,365.30
  6. Step 6: Final answer
    x = 224,724.75

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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.