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Finding the Fourth Proportional to 319,627.33, 479,493.02 and 119,963.41

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Solution

The fourth proportional to 319,627.33, 479,493.02 and 119,963.41 is: 179,964.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,627.33 : 479,493.02 = 119,963.41 : x
  2. Step 2: Convert to fraction form
    319,627.33/479,493.02 = 119,963.41/x
  3. Step 3: Cross multiply
    319,627.33x = 479,493.02 × 119,963.41
  4. Step 4: Simplify right side
    319,627.33x = 57,521,617,150.58
  5. Step 5: Solve for x
    x = 57,521,617,150.58/319,627.33
  6. Step 6: Final answer
    x = 179,964.64

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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.