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Finding the Fourth Proportional to 336,646.70, 505,245.45 and 334,022.30

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Solution

The fourth proportional to 336,646.70, 505,245.45 and 334,022.30 is: 501,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,646.70 : 505,245.45 = 334,022.30 : x
  2. Step 2: Convert to fraction form
    336,646.70/505,245.45 = 334,022.30/x
  3. Step 3: Cross multiply
    336,646.70x = 505,245.45 × 334,022.30
  4. Step 4: Simplify right side
    336,646.70x = 168,763,247,273.54
  5. Step 5: Solve for x
    x = 168,763,247,273.54/336,646.70
  6. Step 6: Final answer
    x = 501,306.70

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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.