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Finding the Fourth Proportional to 574,655.22, 792,954.76 and 329,627.28

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Solution

The fourth proportional to 574,655.22, 792,954.76 and 329,627.28 is: 454,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,655.22 : 792,954.76 = 329,627.28 : x
  2. Step 2: Convert to fraction form
    574,655.22/792,954.76 = 329,627.28/x
  3. Step 3: Cross multiply
    574,655.22x = 792,954.76 × 329,627.28
  4. Step 4: Simplify right side
    574,655.22x = 261,379,515,088.94
  5. Step 5: Solve for x
    x = 261,379,515,088.94/574,655.22
  6. Step 6: Final answer
    x = 454,845.81

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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.