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Finding the Fourth Proportional to 336,528.20, 505,067.70 and 333,903.80

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Solution

The fourth proportional to 336,528.20, 505,067.70 and 333,903.80 is: 501,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,528.20 : 505,067.70 = 333,903.80 : x
  2. Step 2: Convert to fraction form
    336,528.20/505,067.70 = 333,903.80/x
  3. Step 3: Cross multiply
    336,528.20x = 505,067.70 × 333,903.80
  4. Step 4: Simplify right side
    336,528.20x = 168,644,024,287.26
  5. Step 5: Solve for x
    x = 168,644,024,287.26/336,528.20
  6. Step 6: Final answer
    x = 501,128.95

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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.