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Finding the Fourth Proportional to 367,665.70, 551,498.55 and 199,266.70

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Solution

The fourth proportional to 367,665.70, 551,498.55 and 199,266.70 is: 298,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,665.70 : 551,498.55 = 199,266.70 : x
  2. Step 2: Convert to fraction form
    367,665.70/551,498.55 = 199,266.70/x
  3. Step 3: Cross multiply
    367,665.70x = 551,498.55 × 199,266.70
  4. Step 4: Simplify right side
    367,665.70x = 109,895,296,113.29
  5. Step 5: Solve for x
    x = 109,895,296,113.29/367,665.70
  6. Step 6: Final answer
    x = 298,900.05

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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.