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Finding the Fourth Proportional to 605,884.78, 836,071.84 and 351,252.37

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Solution

The fourth proportional to 605,884.78, 836,071.84 and 351,252.37 is: 484,699.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,884.78 : 836,071.84 = 351,252.37 : x
  2. Step 2: Convert to fraction form
    605,884.78/836,071.84 = 351,252.37/x
  3. Step 3: Cross multiply
    605,884.78x = 836,071.84 × 351,252.37
  4. Step 4: Simplify right side
    605,884.78x = 293,672,215,290.26
  5. Step 5: Solve for x
    x = 293,672,215,290.26/605,884.78
  6. Step 6: Final answer
    x = 484,699.77

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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.