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Finding the Fourth Proportional to 436,963.32, 603,002.70 and 245,976.12

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Solution

The fourth proportional to 436,963.32, 603,002.70 and 245,976.12 is: 339,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,963.32 : 603,002.70 = 245,976.12 : x
  2. Step 2: Convert to fraction form
    436,963.32/603,002.70 = 245,976.12/x
  3. Step 3: Cross multiply
    436,963.32x = 603,002.70 × 245,976.12
  4. Step 4: Simplify right side
    436,963.32x = 148,324,264,495.52
  5. Step 5: Solve for x
    x = 148,324,264,495.52/436,963.32
  6. Step 6: Final answer
    x = 339,443.28

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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.