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Finding the Fourth Proportional to 332,866.74, 459,243.90 and 189,525.36

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Solution

The fourth proportional to 332,866.74, 459,243.90 and 189,525.36 is: 261,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,866.74 : 459,243.90 = 189,525.36 : x
  2. Step 2: Convert to fraction form
    332,866.74/459,243.90 = 189,525.36/x
  3. Step 3: Cross multiply
    332,866.74x = 459,243.90 × 189,525.36
  4. Step 4: Simplify right side
    332,866.74x = 87,038,365,475.30
  5. Step 5: Solve for x
    x = 87,038,365,475.30/332,866.74
  6. Step 6: Final answer
    x = 261,481.11

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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.