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Finding the Fourth Proportional to 332,886.42, 459,358.38 and 189,618.48

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Solution

The fourth proportional to 332,886.42, 459,358.38 and 189,618.48 is: 261,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,886.42 : 459,358.38 = 189,618.48 : x
  2. Step 2: Convert to fraction form
    332,886.42/459,358.38 = 189,618.48/x
  3. Step 3: Cross multiply
    332,886.42x = 459,358.38 × 189,618.48
  4. Step 4: Simplify right side
    332,886.42x = 87,102,837,790.86
  5. Step 5: Solve for x
    x = 87,102,837,790.86/332,886.42
  6. Step 6: Final answer
    x = 261,659.33

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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.