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Finding the Fourth Proportional to 293,479.40, 440,219.10 and 192,002.60

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Solution

The fourth proportional to 293,479.40, 440,219.10 and 192,002.60 is: 288,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,479.40 : 440,219.10 = 192,002.60 : x
  2. Step 2: Convert to fraction form
    293,479.40/440,219.10 = 192,002.60/x
  3. Step 3: Cross multiply
    293,479.40x = 440,219.10 × 192,002.60
  4. Step 4: Simplify right side
    293,479.40x = 84,523,211,769.66
  5. Step 5: Solve for x
    x = 84,523,211,769.66/293,479.40
  6. Step 6: Final answer
    x = 288,003.90

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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.