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Finding the Fourth Proportional to 339,435.63, 509,219.06 and 114,832.62

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Solution

The fourth proportional to 339,435.63, 509,219.06 and 114,832.62 is: 172,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,435.63 : 509,219.06 = 114,832.62 : x
  2. Step 2: Convert to fraction form
    339,435.63/509,219.06 = 114,832.62/x
  3. Step 3: Cross multiply
    339,435.63x = 509,219.06 × 114,832.62
  4. Step 4: Simplify right side
    339,435.63x = 58,474,958,239.57
  5. Step 5: Solve for x
    x = 58,474,958,239.57/339,435.63
  6. Step 6: Final answer
    x = 172,271.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.