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Finding the Fourth Proportional to 297,266.69, 445,915.05 and 84,049.92

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Solution

The fourth proportional to 297,266.69, 445,915.05 and 84,049.92 is: 126,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,266.69 : 445,915.05 = 84,049.92 : x
  2. Step 2: Convert to fraction form
    297,266.69/445,915.05 = 84,049.92/x
  3. Step 3: Cross multiply
    297,266.69x = 445,915.05 × 84,049.92
  4. Step 4: Simplify right side
    297,266.69x = 37,479,124,279.30
  5. Step 5: Solve for x
    x = 37,479,124,279.30/297,266.69
  6. Step 6: Final answer
    x = 126,079.13

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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.