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Finding the Fourth Proportional to 802,915.96, 1,203,324.06 and 329,046.52

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Solution

The fourth proportional to 802,915.96, 1,203,324.06 and 329,046.52 is: 493,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,915.96 : 1,203,324.06 = 329,046.52 : x
  2. Step 2: Convert to fraction form
    802,915.96/1,203,324.06 = 329,046.52/x
  3. Step 3: Cross multiply
    802,915.96x = 1,203,324.06 × 329,046.52
  4. Step 4: Simplify right side
    802,915.96x = 395,949,594,375.27
  5. Step 5: Solve for x
    x = 395,949,594,375.27/802,915.96
  6. Step 6: Final answer
    x = 493,139.52

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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.