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Finding the Fourth Proportional to 451,821.78, 677,373 and 223,957.02

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Solution

The fourth proportional to 451,821.78, 677,373 and 223,957.02 is: 335,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,821.78 : 677,373 = 223,957.02 : x
  2. Step 2: Convert to fraction form
    451,821.78/677,373 = 223,957.02/x
  3. Step 3: Cross multiply
    451,821.78x = 677,373 × 223,957.02
  4. Step 4: Simplify right side
    451,821.78x = 151,702,438,508.46
  5. Step 5: Solve for x
    x = 151,702,438,508.46/451,821.78
  6. Step 6: Final answer
    x = 335,757.25

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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.