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Finding the Fourth Proportional to 336,901.90, 504,186.45 and 308,908.30

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Solution

The fourth proportional to 336,901.90, 504,186.45 and 308,908.30 is: 462,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,901.90 : 504,186.45 = 308,908.30 : x
  2. Step 2: Convert to fraction form
    336,901.90/504,186.45 = 308,908.30/x
  3. Step 3: Cross multiply
    336,901.90x = 504,186.45 × 308,908.30
  4. Step 4: Simplify right side
    336,901.90x = 155,747,379,152.54
  5. Step 5: Solve for x
    x = 155,747,379,152.54/336,901.90
  6. Step 6: Final answer
    x = 462,292.97

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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.