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Finding the Fourth Proportional to 452,785.63, 678,057.41 and 332,557.47

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Solution

The fourth proportional to 452,785.63, 678,057.41 and 332,557.47 is: 498,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,785.63 : 678,057.41 = 332,557.47 : x
  2. Step 2: Convert to fraction form
    452,785.63/678,057.41 = 332,557.47/x
  3. Step 3: Cross multiply
    452,785.63x = 678,057.41 × 332,557.47
  4. Step 4: Simplify right side
    452,785.63x = 225,493,058,821.30
  5. Step 5: Solve for x
    x = 225,493,058,821.30/452,785.63
  6. Step 6: Final answer
    x = 498,012.84

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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.