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Finding the Fourth Proportional to 352,367.23, 486,270.34 and 191,223.67

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Solution

The fourth proportional to 352,367.23, 486,270.34 and 191,223.67 is: 263,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,367.23 : 486,270.34 = 191,223.67 : x
  2. Step 2: Convert to fraction form
    352,367.23/486,270.34 = 191,223.67/x
  3. Step 3: Cross multiply
    352,367.23x = 486,270.34 × 191,223.67
  4. Step 4: Simplify right side
    352,367.23x = 92,986,395,639.48
  5. Step 5: Solve for x
    x = 92,986,395,639.48/352,367.23
  6. Step 6: Final answer
    x = 263,890.59

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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.