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Finding the Fourth Proportional to 392,361.31, 588,392.58 and 232,482.36

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Solution

The fourth proportional to 392,361.31, 588,392.58 and 232,482.36 is: 348,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,361.31 : 588,392.58 = 232,482.36 : x
  2. Step 2: Convert to fraction form
    392,361.31/588,392.58 = 232,482.36/x
  3. Step 3: Cross multiply
    392,361.31x = 588,392.58 × 232,482.36
  4. Step 4: Simplify right side
    392,361.31x = 136,790,895,604.89
  5. Step 5: Solve for x
    x = 136,790,895,604.89/392,361.31
  6. Step 6: Final answer
    x = 348,635.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.