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Finding the Fourth Proportional to 351,687.83, 485,325.37 and 190,533.26

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Solution

The fourth proportional to 351,687.83, 485,325.37 and 190,533.26 is: 262,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,687.83 : 485,325.37 = 190,533.26 : x
  2. Step 2: Convert to fraction form
    351,687.83/485,325.37 = 190,533.26/x
  3. Step 3: Cross multiply
    351,687.83x = 485,325.37 × 190,533.26
  4. Step 4: Simplify right side
    351,687.83x = 92,470,626,358.29
  5. Step 5: Solve for x
    x = 92,470,626,358.29/351,687.83
  6. Step 6: Final answer
    x = 262,933.83

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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.