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Finding the Fourth Proportional to 463,245.84, 694,874.52 and 126,303.12

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Solution

The fourth proportional to 463,245.84, 694,874.52 and 126,303.12 is: 189,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,245.84 : 694,874.52 = 126,303.12 : x
  2. Step 2: Convert to fraction form
    463,245.84/694,874.52 = 126,303.12/x
  3. Step 3: Cross multiply
    463,245.84x = 694,874.52 × 126,303.12
  4. Step 4: Simplify right side
    463,245.84x = 87,764,819,884.50
  5. Step 5: Solve for x
    x = 87,764,819,884.50/463,245.84
  6. Step 6: Final answer
    x = 189,456.25

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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.