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Finding the Fourth Proportional to 352,342.72, 486,230.44 and 191,193.60

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Solution

The fourth proportional to 352,342.72, 486,230.44 and 191,193.60 is: 263,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,342.72 : 486,230.44 = 191,193.60 : x
  2. Step 2: Convert to fraction form
    352,342.72/486,230.44 = 191,193.60/x
  3. Step 3: Cross multiply
    352,342.72x = 486,230.44 × 191,193.60
  4. Step 4: Simplify right side
    352,342.72x = 92,964,148,253.18
  5. Step 5: Solve for x
    x = 92,964,148,253.18/352,342.72
  6. Step 6: Final answer
    x = 263,845.80

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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.