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Finding the Fourth Proportional to 376,889.58, 519,897.08 and 231,594.41

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Solution

The fourth proportional to 376,889.58, 519,897.08 and 231,594.41 is: 319,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,889.58 : 519,897.08 = 231,594.41 : x
  2. Step 2: Convert to fraction form
    376,889.58/519,897.08 = 231,594.41/x
  3. Step 3: Cross multiply
    376,889.58x = 519,897.08 × 231,594.41
  4. Step 4: Simplify right side
    376,889.58x = 120,405,259,382.05
  5. Step 5: Solve for x
    x = 120,405,259,382.05/376,889.58
  6. Step 6: Final answer
    x = 319,470.92

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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.