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Finding the Fourth Proportional to 351,676.94, 485,314.29 and 190,533.10

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Solution

The fourth proportional to 351,676.94, 485,314.29 and 190,533.10 is: 262,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,676.94 : 485,314.29 = 190,533.10 : x
  2. Step 2: Convert to fraction form
    351,676.94/485,314.29 = 190,533.10/x
  3. Step 3: Cross multiply
    351,676.94x = 485,314.29 × 190,533.10
  4. Step 4: Simplify right side
    351,676.94x = 92,468,436,148.00
  5. Step 5: Solve for x
    x = 92,468,436,148.00/351,676.94
  6. Step 6: Final answer
    x = 262,935.74

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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.