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Finding the Fourth Proportional to 332,850.42, 459,336.78 and 189,608.40

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Solution

The fourth proportional to 332,850.42, 459,336.78 and 189,608.40 is: 261,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,850.42 : 459,336.78 = 189,608.40 : x
  2. Step 2: Convert to fraction form
    332,850.42/459,336.78 = 189,608.40/x
  3. Step 3: Cross multiply
    332,850.42x = 459,336.78 × 189,608.40
  4. Step 4: Simplify right side
    332,850.42x = 87,094,111,916.95
  5. Step 5: Solve for x
    x = 87,094,111,916.95/332,850.42
  6. Step 6: Final answer
    x = 261,661.42

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1.5x scale

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.