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Finding the Fourth Proportional to 881,672.22, 1,322,469.45 and 282,663.45

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Solution

The fourth proportional to 881,672.22, 1,322,469.45 and 282,663.45 is: 423,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,672.22 : 1,322,469.45 = 282,663.45 : x
  2. Step 2: Convert to fraction form
    881,672.22/1,322,469.45 = 282,663.45/x
  3. Step 3: Cross multiply
    881,672.22x = 1,322,469.45 × 282,663.45
  4. Step 4: Simplify right side
    881,672.22x = 373,813,777,256.60
  5. Step 5: Solve for x
    x = 373,813,777,256.60/881,672.22
  6. Step 6: Final answer
    x = 423,982.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.