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Finding the Fourth Proportional to 464,562.40, 641,108.64 and 273,540.64

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Solution

The fourth proportional to 464,562.40, 641,108.64 and 273,540.64 is: 377,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,562.40 : 641,108.64 = 273,540.64 : x
  2. Step 2: Convert to fraction form
    464,562.40/641,108.64 = 273,540.64/x
  3. Step 3: Cross multiply
    464,562.40x = 641,108.64 × 273,540.64
  4. Step 4: Simplify right side
    464,562.40x = 175,369,267,695.13
  5. Step 5: Solve for x
    x = 175,369,267,695.13/464,562.40
  6. Step 6: Final answer
    x = 377,493.46

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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.