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Finding the Fourth Proportional to 323,308.65, 446,162.01 and 178,111.56

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Solution

The fourth proportional to 323,308.65, 446,162.01 and 178,111.56 is: 245,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,308.65 : 446,162.01 = 178,111.56 : x
  2. Step 2: Convert to fraction form
    323,308.65/446,162.01 = 178,111.56/x
  3. Step 3: Cross multiply
    323,308.65x = 446,162.01 × 178,111.56
  4. Step 4: Simplify right side
    323,308.65x = 79,466,610,860.77
  5. Step 5: Solve for x
    x = 79,466,610,860.77/323,308.65
  6. Step 6: Final answer
    x = 245,791.79

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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.