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Finding the Fourth Proportional to 299,586.80, 448,213.80 and 194,610.80

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Solution

The fourth proportional to 299,586.80, 448,213.80 and 194,610.80 is: 291,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,586.80 : 448,213.80 = 194,610.80 : x
  2. Step 2: Convert to fraction form
    299,586.80/448,213.80 = 194,610.80/x
  3. Step 3: Cross multiply
    299,586.80x = 448,213.80 × 194,610.80
  4. Step 4: Simplify right side
    299,586.80x = 87,227,246,189.04
  5. Step 5: Solve for x
    x = 87,227,246,189.04/299,586.80
  6. Step 6: Final answer
    x = 291,158.51

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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.