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Finding the Fourth Proportional to 240,271.56, 331,193.04 and 189,203.28

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Solution

The fourth proportional to 240,271.56, 331,193.04 and 189,203.28 is: 260,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,271.56 : 331,193.04 = 189,203.28 : x
  2. Step 2: Convert to fraction form
    240,271.56/331,193.04 = 189,203.28/x
  3. Step 3: Cross multiply
    240,271.56x = 331,193.04 × 189,203.28
  4. Step 4: Simplify right side
    240,271.56x = 62,662,809,481.17
  5. Step 5: Solve for x
    x = 62,662,809,481.17/240,271.56
  6. Step 6: Final answer
    x = 260,799.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.