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Finding the Fourth Proportional to 366,012.66, 505,025.68 and 229,967.79

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Solution

The fourth proportional to 366,012.66, 505,025.68 and 229,967.79 is: 317,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,012.66 : 505,025.68 = 229,967.79 : x
  2. Step 2: Convert to fraction form
    366,012.66/505,025.68 = 229,967.79/x
  3. Step 3: Cross multiply
    366,012.66x = 505,025.68 × 229,967.79
  4. Step 4: Simplify right side
    366,012.66x = 116,139,639,522.85
  5. Step 5: Solve for x
    x = 116,139,639,522.85/366,012.66
  6. Step 6: Final answer
    x = 317,310.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.