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Finding the Fourth Proportional to 299,082.60, 448,623.90 and 199,549.80

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Solution

The fourth proportional to 299,082.60, 448,623.90 and 199,549.80 is: 299,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,082.60 : 448,623.90 = 199,549.80 : x
  2. Step 2: Convert to fraction form
    299,082.60/448,623.90 = 199,549.80/x
  3. Step 3: Cross multiply
    299,082.60x = 448,623.90 × 199,549.80
  4. Step 4: Simplify right side
    299,082.60x = 89,522,809,520.22
  5. Step 5: Solve for x
    x = 89,522,809,520.22/299,082.60
  6. Step 6: Final answer
    x = 299,324.70

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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.