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Finding the Fourth Proportional to 449,416.80, 674,222.40 and 149,846.40

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Solution

The fourth proportional to 449,416.80, 674,222.40 and 149,846.40 is: 224,802.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,416.80 : 674,222.40 = 149,846.40 : x
  2. Step 2: Convert to fraction form
    449,416.80/674,222.40 = 149,846.40/x
  3. Step 3: Cross multiply
    449,416.80x = 674,222.40 × 149,846.40
  4. Step 4: Simplify right side
    449,416.80x = 101,029,799,439.36
  5. Step 5: Solve for x
    x = 101,029,799,439.36/449,416.80
  6. Step 6: Final answer
    x = 224,802.01

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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.