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Finding the Fourth Proportional to 474,791.10, 655,106.96 and 281,102.64

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Solution

The fourth proportional to 474,791.10, 655,106.96 and 281,102.64 is: 387,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,791.10 : 655,106.96 = 281,102.64 : x
  2. Step 2: Convert to fraction form
    474,791.10/655,106.96 = 281,102.64/x
  3. Step 3: Cross multiply
    474,791.10x = 655,106.96 × 281,102.64
  4. Step 4: Simplify right side
    474,791.10x = 184,152,295,938.37
  5. Step 5: Solve for x
    x = 184,152,295,938.37/474,791.10
  6. Step 6: Final answer
    x = 387,859.62

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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.