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Finding the Fourth Proportional to 376,670.66, 519,575.31 and 223,604.96

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Solution

The fourth proportional to 376,670.66, 519,575.31 and 223,604.96 is: 308,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,670.66 : 519,575.31 = 223,604.96 : x
  2. Step 2: Convert to fraction form
    376,670.66/519,575.31 = 223,604.96/x
  3. Step 3: Cross multiply
    376,670.66x = 519,575.31 × 223,604.96
  4. Step 4: Simplify right side
    376,670.66x = 116,179,613,811.66
  5. Step 5: Solve for x
    x = 116,179,613,811.66/376,670.66
  6. Step 6: Final answer
    x = 308,438.19

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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.