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Finding the Fourth Proportional to 352,493.37, 486,445.91 and 191,348.73

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Solution

The fourth proportional to 352,493.37, 486,445.91 and 191,348.73 is: 264,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,493.37 : 486,445.91 = 191,348.73 : x
  2. Step 2: Convert to fraction form
    352,493.37/486,445.91 = 191,348.73/x
  3. Step 3: Cross multiply
    352,493.37x = 486,445.91 × 191,348.73
  4. Step 4: Simplify right side
    352,493.37x = 93,080,806,135.45
  5. Step 5: Solve for x
    x = 93,080,806,135.45/352,493.37
  6. Step 6: Final answer
    x = 264,063.99

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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.