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Finding the Fourth Proportional to 356,787.54, 492,625.11 and 229,684.56

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Solution

The fourth proportional to 356,787.54, 492,625.11 and 229,684.56 is: 317,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,787.54 : 492,625.11 = 229,684.56 : x
  2. Step 2: Convert to fraction form
    356,787.54/492,625.11 = 229,684.56/x
  3. Step 3: Cross multiply
    356,787.54x = 492,625.11 × 229,684.56
  4. Step 4: Simplify right side
    356,787.54x = 113,148,381,635.30
  5. Step 5: Solve for x
    x = 113,148,381,635.30/356,787.54
  6. Step 6: Final answer
    x = 317,130.98

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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.