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Finding the Fourth Proportional to 376,924.22, 519,921.12 and 223,851.98

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Solution

The fourth proportional to 376,924.22, 519,921.12 and 223,851.98 is: 308,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,924.22 : 519,921.12 = 223,851.98 : x
  2. Step 2: Convert to fraction form
    376,924.22/519,921.12 = 223,851.98/x
  3. Step 3: Cross multiply
    376,924.22x = 519,921.12 × 223,851.98
  4. Step 4: Simplify right side
    376,924.22x = 116,385,374,295.07
  5. Step 5: Solve for x
    x = 116,385,374,295.07/376,924.22
  6. Step 6: Final answer
    x = 308,776.59

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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.