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Finding the Fourth Proportional to 377,233.30, 520,490.83 and 239,361.96

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Solution

The fourth proportional to 377,233.30, 520,490.83 and 239,361.96 is: 330,261.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,233.30 : 520,490.83 = 239,361.96 : x
  2. Step 2: Convert to fraction form
    377,233.30/520,490.83 = 239,361.96/x
  3. Step 3: Cross multiply
    377,233.30x = 520,490.83 × 239,361.96
  4. Step 4: Simplify right side
    377,233.30x = 124,585,705,230.83
  5. Step 5: Solve for x
    x = 124,585,705,230.83/377,233.30
  6. Step 6: Final answer
    x = 330,261.68

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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.