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Finding the Fourth Proportional to 474,234.57, 654,144.48 and 330,942.33

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Solution

The fourth proportional to 474,234.57, 654,144.48 and 330,942.33 is: 456,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,234.57 : 654,144.48 = 330,942.33 : x
  2. Step 2: Convert to fraction form
    474,234.57/654,144.48 = 330,942.33/x
  3. Step 3: Cross multiply
    474,234.57x = 654,144.48 × 330,942.33
  4. Step 4: Simplify right side
    474,234.57x = 216,484,098,367.84
  5. Step 5: Solve for x
    x = 216,484,098,367.84/474,234.57
  6. Step 6: Final answer
    x = 456,491.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.