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Finding the Fourth Proportional to 351,676.04, 485,313.41 and 190,531.10

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Solution

The fourth proportional to 351,676.04, 485,313.41 and 190,531.10 is: 262,933.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,676.04 : 485,313.41 = 190,531.10 : x
  2. Step 2: Convert to fraction form
    351,676.04/485,313.41 = 190,531.10/x
  3. Step 3: Cross multiply
    351,676.04x = 485,313.41 × 190,531.10
  4. Step 4: Simplify right side
    351,676.04x = 92,467,294,472.83
  5. Step 5: Solve for x
    x = 92,467,294,472.83/351,676.04
  6. Step 6: Final answer
    x = 262,933.17

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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.