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Finding the Fourth Proportional to 332,762.18, 459,293.40 and 189,606.56

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Solution

The fourth proportional to 332,762.18, 459,293.40 and 189,606.56 is: 261,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,762.18 : 459,293.40 = 189,606.56 : x
  2. Step 2: Convert to fraction form
    332,762.18/459,293.40 = 189,606.56/x
  3. Step 3: Cross multiply
    332,762.18x = 459,293.40 × 189,606.56
  4. Step 4: Simplify right side
    332,762.18x = 87,085,041,604.70
  5. Step 5: Solve for x
    x = 87,085,041,604.70/332,762.18
  6. Step 6: Final answer
    x = 261,703.54

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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.