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Finding the Fourth Proportional to 376,673.66, 519,579.45 and 223,607.96

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Solution

The fourth proportional to 376,673.66, 519,579.45 and 223,607.96 is: 308,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,673.66 : 519,579.45 = 223,607.96 : x
  2. Step 2: Convert to fraction form
    376,673.66/519,579.45 = 223,607.96/x
  3. Step 3: Cross multiply
    376,673.66x = 519,579.45 × 223,607.96
  4. Step 4: Simplify right side
    376,673.66x = 116,182,100,872.42
  5. Step 5: Solve for x
    x = 116,182,100,872.42/376,673.66
  6. Step 6: Final answer
    x = 308,442.33

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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.