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Finding the Fourth Proportional to 336,772.65, 504,817.14 and 287,614.35

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Solution

The fourth proportional to 336,772.65, 504,817.14 and 287,614.35 is: 431,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,772.65 : 504,817.14 = 287,614.35 : x
  2. Step 2: Convert to fraction form
    336,772.65/504,817.14 = 287,614.35/x
  3. Step 3: Cross multiply
    336,772.65x = 504,817.14 × 287,614.35
  4. Step 4: Simplify right side
    336,772.65x = 145,192,653,589.96
  5. Step 5: Solve for x
    x = 145,192,653,589.96/336,772.65
  6. Step 6: Final answer
    x = 431,129.59

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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.