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Finding the Fourth Proportional to 222,586.60, 333,879.90 and 194,938.60

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Solution

The fourth proportional to 222,586.60, 333,879.90 and 194,938.60 is: 292,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,586.60 : 333,879.90 = 194,938.60 : x
  2. Step 2: Convert to fraction form
    222,586.60/333,879.90 = 194,938.60/x
  3. Step 3: Cross multiply
    222,586.60x = 333,879.90 × 194,938.60
  4. Step 4: Simplify right side
    222,586.60x = 65,086,080,274.14
  5. Step 5: Solve for x
    x = 65,086,080,274.14/222,586.60
  6. Step 6: Final answer
    x = 292,407.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.