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Finding the Fourth Proportional to 1,741,723.60, 2,612,585.40 and 993,845.20

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Solution

The fourth proportional to 1,741,723.60, 2,612,585.40 and 993,845.20 is: 1,490,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741,723.60 : 2,612,585.40 = 993,845.20 : x
  2. Step 2: Convert to fraction form
    1,741,723.60/2,612,585.40 = 993,845.20/x
  3. Step 3: Cross multiply
    1,741,723.60x = 2,612,585.40 × 993,845.20
  4. Step 4: Simplify right side
    1,741,723.60x = 2,596,505,459,380.08
  5. Step 5: Solve for x
    x = 2,596,505,459,380.08/1,741,723.60
  6. Step 6: Final answer
    x = 1,490,767.80

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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.