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Finding the Fourth Proportional to 437,367.78, 603,556.11 and 246,369.78

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Solution

The fourth proportional to 437,367.78, 603,556.11 and 246,369.78 is: 339,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,367.78 : 603,556.11 = 246,369.78 : x
  2. Step 2: Convert to fraction form
    437,367.78/603,556.11 = 246,369.78/x
  3. Step 3: Cross multiply
    437,367.78x = 603,556.11 × 246,369.78
  4. Step 4: Simplify right side
    437,367.78x = 148,697,986,038.36
  5. Step 5: Solve for x
    x = 148,697,986,038.36/437,367.78
  6. Step 6: Final answer
    x = 339,983.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.