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Finding the Fourth Proportional to 299,012.40, 448,518.60 and 205,233.84

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Solution

The fourth proportional to 299,012.40, 448,518.60 and 205,233.84 is: 307,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,012.40 : 448,518.60 = 205,233.84 : x
  2. Step 2: Convert to fraction form
    299,012.40/448,518.60 = 205,233.84/x
  3. Step 3: Cross multiply
    299,012.40x = 448,518.60 × 205,233.84
  4. Step 4: Simplify right side
    299,012.40x = 92,051,194,589.42
  5. Step 5: Solve for x
    x = 92,051,194,589.42/299,012.40
  6. Step 6: Final answer
    x = 307,850.76

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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.