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Finding the Fourth Proportional to 293,853.54, 440,780.39 and 193,990.37

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Solution

The fourth proportional to 293,853.54, 440,780.39 and 193,990.37 is: 290,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,853.54 : 440,780.39 = 193,990.37 : x
  2. Step 2: Convert to fraction form
    293,853.54/440,780.39 = 193,990.37/x
  3. Step 3: Cross multiply
    293,853.54x = 440,780.39 × 193,990.37
  4. Step 4: Simplify right side
    293,853.54x = 85,507,147,770.99
  5. Step 5: Solve for x
    x = 85,507,147,770.99/293,853.54
  6. Step 6: Final answer
    x = 290,985.60

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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.