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Finding the Fourth Proportional to 367,607.52, 551,522.03 and 130,919.40

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Solution

The fourth proportional to 367,607.52, 551,522.03 and 130,919.40 is: 196,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,607.52 : 551,522.03 = 130,919.40 : x
  2. Step 2: Convert to fraction form
    367,607.52/551,522.03 = 130,919.40/x
  3. Step 3: Cross multiply
    367,607.52x = 551,522.03 × 130,919.40
  4. Step 4: Simplify right side
    367,607.52x = 72,204,932,599.79
  5. Step 5: Solve for x
    x = 72,204,932,599.79/367,607.52
  6. Step 6: Final answer
    x = 196,418.54

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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.