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Finding the Fourth Proportional to 351,734.00, 485,560.31 and 235,647.36

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Solution

The fourth proportional to 351,734.00, 485,560.31 and 235,647.36 is: 325,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,734.00 : 485,560.31 = 235,647.36 : x
  2. Step 2: Convert to fraction form
    351,734.00/485,560.31 = 235,647.36/x
  3. Step 3: Cross multiply
    351,734.00x = 485,560.31 × 235,647.36
  4. Step 4: Simplify right side
    351,734.00x = 114,421,003,994.05
  5. Step 5: Solve for x
    x = 114,421,003,994.05/351,734.00
  6. Step 6: Final answer
    x = 325,305.50

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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.