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Finding the Fourth Proportional to 894,996.81, 1,342,493.60 and 264,353.49

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Solution

The fourth proportional to 894,996.81, 1,342,493.60 and 264,353.49 is: 396,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,996.81 : 1,342,493.60 = 264,353.49 : x
  2. Step 2: Convert to fraction form
    894,996.81/1,342,493.60 = 264,353.49/x
  3. Step 3: Cross multiply
    894,996.81x = 1,342,493.60 × 264,353.49
  4. Step 4: Simplify right side
    894,996.81x = 354,892,867,140.90
  5. Step 5: Solve for x
    x = 354,892,867,140.90/894,996.81
  6. Step 6: Final answer
    x = 396,529.76

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Double scale
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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.