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Finding the Fourth Proportional to 332,480.50, 458,840.80 and 189,286.67

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Solution

The fourth proportional to 332,480.50, 458,840.80 and 189,286.67 is: 261,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,480.50 : 458,840.80 = 189,286.67 : x
  2. Step 2: Convert to fraction form
    332,480.50/458,840.80 = 189,286.67/x
  3. Step 3: Cross multiply
    332,480.50x = 458,840.80 × 189,286.67
  4. Step 4: Simplify right side
    332,480.50x = 86,852,448,475.85
  5. Step 5: Solve for x
    x = 86,852,448,475.85/332,480.50
  6. Step 6: Final answer
    x = 261,225.69

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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.