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Finding the Fourth Proportional to 333,107.36, 459,676.56 and 189,913.52

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Solution

The fourth proportional to 333,107.36, 459,676.56 and 189,913.52 is: 262,074.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,107.36 : 459,676.56 = 189,913.52 : x
  2. Step 2: Convert to fraction form
    333,107.36/459,676.56 = 189,913.52/x
  3. Step 3: Cross multiply
    333,107.36x = 459,676.56 × 189,913.52
  4. Step 4: Simplify right side
    333,107.36x = 87,298,793,571.09
  5. Step 5: Solve for x
    x = 87,298,793,571.09/333,107.36
  6. Step 6: Final answer
    x = 262,074.05

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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.