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Finding the Fourth Proportional to 304,846.35, 420,687.99 and 167,025.87

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Solution

The fourth proportional to 304,846.35, 420,687.99 and 167,025.87 is: 230,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,846.35 : 420,687.99 = 167,025.87 : x
  2. Step 2: Convert to fraction form
    304,846.35/420,687.99 = 167,025.87/x
  3. Step 3: Cross multiply
    304,846.35x = 420,687.99 × 167,025.87
  4. Step 4: Simplify right side
    304,846.35x = 70,265,777,528.30
  5. Step 5: Solve for x
    x = 70,265,777,528.30/304,846.35
  6. Step 6: Final answer
    x = 230,495.72

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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.