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Finding the Fourth Proportional to 822,843.60, 1,234,755.72 and 367,399.41

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Solution

The fourth proportional to 822,843.60, 1,234,755.72 and 367,399.41 is: 551,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,843.60 : 1,234,755.72 = 367,399.41 : x
  2. Step 2: Convert to fraction form
    822,843.60/1,234,755.72 = 367,399.41/x
  3. Step 3: Cross multiply
    822,843.60x = 1,234,755.72 × 367,399.41
  4. Step 4: Simplify right side
    822,843.60x = 453,648,523,022.13
  5. Step 5: Solve for x
    x = 453,648,523,022.13/822,843.60
  6. Step 6: Final answer
    x = 551,318.04

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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.