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Finding the Fourth Proportional to 436,969.72, 603,029.37 and 245,989.81

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Solution

The fourth proportional to 436,969.72, 603,029.37 and 245,989.81 is: 339,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,969.72 : 603,029.37 = 245,989.81 : x
  2. Step 2: Convert to fraction form
    436,969.72/603,029.37 = 245,989.81/x
  3. Step 3: Cross multiply
    436,969.72x = 603,029.37 × 245,989.81
  4. Step 4: Simplify right side
    436,969.72x = 148,339,080,150.72
  5. Step 5: Solve for x
    x = 148,339,080,150.72/436,969.72
  6. Step 6: Final answer
    x = 339,472.22

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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.