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Finding the Fourth Proportional to 353,880.82, 530,766.42 and 194,035.42

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Solution

The fourth proportional to 353,880.82, 530,766.42 and 194,035.42 is: 291,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,880.82 : 530,766.42 = 194,035.42 : x
  2. Step 2: Convert to fraction form
    353,880.82/530,766.42 = 194,035.42/x
  3. Step 3: Cross multiply
    353,880.82x = 530,766.42 × 194,035.42
  4. Step 4: Simplify right side
    353,880.82x = 102,987,485,226.60
  5. Step 5: Solve for x
    x = 102,987,485,226.60/353,880.82
  6. Step 6: Final answer
    x = 291,023.08

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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.