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Finding the Fourth Proportional to 632,682.72, 873,102.24 and 346,202.73

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Solution

The fourth proportional to 632,682.72, 873,102.24 and 346,202.73 is: 477,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,682.72 : 873,102.24 = 346,202.73 : x
  2. Step 2: Convert to fraction form
    632,682.72/873,102.24 = 346,202.73/x
  3. Step 3: Cross multiply
    632,682.72x = 873,102.24 × 346,202.73
  4. Step 4: Simplify right side
    632,682.72x = 302,270,379,057.12
  5. Step 5: Solve for x
    x = 302,270,379,057.12/632,682.72
  6. Step 6: Final answer
    x = 477,759.81

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Double scale
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1.5x scale

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.