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Finding the Fourth Proportional to 332,662.33, 459,078.40 and 189,422.94

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Solution

The fourth proportional to 332,662.33, 459,078.40 and 189,422.94 is: 261,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,662.33 : 459,078.40 = 189,422.94 : x
  2. Step 2: Convert to fraction form
    332,662.33/459,078.40 = 189,422.94/x
  3. Step 3: Cross multiply
    332,662.33x = 459,078.40 × 189,422.94
  4. Step 4: Simplify right side
    332,662.33x = 86,959,980,218.50
  5. Step 5: Solve for x
    x = 86,959,980,218.50/332,662.33
  6. Step 6: Final answer
    x = 261,406.15

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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.