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Finding the Fourth Proportional to 356,093.60, 491,409.30 and 194,958.89

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Solution

The fourth proportional to 356,093.60, 491,409.30 and 194,958.89 is: 269,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,093.60 : 491,409.30 = 194,958.89 : x
  2. Step 2: Convert to fraction form
    356,093.60/491,409.30 = 194,958.89/x
  3. Step 3: Cross multiply
    356,093.60x = 491,409.30 × 194,958.89
  4. Step 4: Simplify right side
    356,093.60x = 95,804,609,206.63
  5. Step 5: Solve for x
    x = 95,804,609,206.63/356,093.60
  6. Step 6: Final answer
    x = 269,043.34

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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.