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Finding the Fourth Proportional to 376,897.46, 519,941.43 and 223,940.30

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Solution

The fourth proportional to 376,897.46, 519,941.43 and 223,940.30 is: 308,932.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,897.46 : 519,941.43 = 223,940.30 : x
  2. Step 2: Convert to fraction form
    376,897.46/519,941.43 = 223,940.30/x
  3. Step 3: Cross multiply
    376,897.46x = 519,941.43 × 223,940.30
  4. Step 4: Simplify right side
    376,897.46x = 116,435,837,216.92
  5. Step 5: Solve for x
    x = 116,435,837,216.92/376,897.46
  6. Step 6: Final answer
    x = 308,932.41

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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.