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Finding the Fourth Proportional to 245,414.80, 367,603.80 and 203,942.80

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Solution

The fourth proportional to 245,414.80, 367,603.80 and 203,942.80 is: 305,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,414.80 : 367,603.80 = 203,942.80 : x
  2. Step 2: Convert to fraction form
    245,414.80/367,603.80 = 203,942.80/x
  3. Step 3: Cross multiply
    245,414.80x = 367,603.80 × 203,942.80
  4. Step 4: Simplify right side
    245,414.80x = 74,970,148,262.64
  5. Step 5: Solve for x
    x = 74,970,148,262.64/245,414.80
  6. Step 6: Final answer
    x = 305,483.40

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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.