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Finding the Fourth Proportional to 994,606.80, 1,491,910.20 and 246,652.80

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Solution

The fourth proportional to 994,606.80, 1,491,910.20 and 246,652.80 is: 369,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,606.80 : 1,491,910.20 = 246,652.80 : x
  2. Step 2: Convert to fraction form
    994,606.80/1,491,910.20 = 246,652.80/x
  3. Step 3: Cross multiply
    994,606.80x = 1,491,910.20 × 246,652.80
  4. Step 4: Simplify right side
    994,606.80x = 367,983,828,178.56
  5. Step 5: Solve for x
    x = 367,983,828,178.56/994,606.80
  6. Step 6: Final answer
    x = 369,979.20

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Double scale
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Similar ratio
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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.