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Finding the Fourth Proportional to 304,576.56, 420,309.54 and 168,610.50

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Solution

The fourth proportional to 304,576.56, 420,309.54 and 168,610.50 is: 232,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,576.56 : 420,309.54 = 168,610.50 : x
  2. Step 2: Convert to fraction form
    304,576.56/420,309.54 = 168,610.50/x
  3. Step 3: Cross multiply
    304,576.56x = 420,309.54 × 168,610.50
  4. Step 4: Simplify right side
    304,576.56x = 70,868,601,694.17
  5. Step 5: Solve for x
    x = 70,868,601,694.17/304,576.56
  6. Step 6: Final answer
    x = 232,679.11

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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.