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Finding the Fourth Proportional to 457,175.82, 630,912.10 and 273,604.16

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Solution

The fourth proportional to 457,175.82, 630,912.10 and 273,604.16 is: 377,579.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,175.82 : 630,912.10 = 273,604.16 : x
  2. Step 2: Convert to fraction form
    457,175.82/630,912.10 = 273,604.16/x
  3. Step 3: Cross multiply
    457,175.82x = 630,912.10 × 273,604.16
  4. Step 4: Simplify right side
    457,175.82x = 172,620,175,154.34
  5. Step 5: Solve for x
    x = 172,620,175,154.34/457,175.82
  6. Step 6: Final answer
    x = 377,579.41

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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.