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Finding the Fourth Proportional to 336,794.40, 504,025.20 and 308,800.80

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Solution

The fourth proportional to 336,794.40, 504,025.20 and 308,800.80 is: 462,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,794.40 : 504,025.20 = 308,800.80 : x
  2. Step 2: Convert to fraction form
    336,794.40/504,025.20 = 308,800.80/x
  3. Step 3: Cross multiply
    336,794.40x = 504,025.20 × 308,800.80
  4. Step 4: Simplify right side
    336,794.40x = 155,643,384,980.16
  5. Step 5: Solve for x
    x = 155,643,384,980.16/336,794.40
  6. Step 6: Final answer
    x = 462,131.75

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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.