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Finding the Fourth Proportional to 474,662.01, 655,350.69 and 281,131.95

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Solution

The fourth proportional to 474,662.01, 655,350.69 and 281,131.95 is: 388,149.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,662.01 : 655,350.69 = 281,131.95 : x
  2. Step 2: Convert to fraction form
    474,662.01/655,350.69 = 281,131.95/x
  3. Step 3: Cross multiply
    474,662.01x = 655,350.69 × 281,131.95
  4. Step 4: Simplify right side
    474,662.01x = 184,240,017,413.55
  5. Step 5: Solve for x
    x = 184,240,017,413.55/474,662.01
  6. Step 6: Final answer
    x = 388,149.91

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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.