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Finding the Fourth Proportional to 492,096.94, 679,093.81 and 265,742.44

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Solution

The fourth proportional to 492,096.94, 679,093.81 and 265,742.44 is: 366,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,096.94 : 679,093.81 = 265,742.44 : x
  2. Step 2: Convert to fraction form
    492,096.94/679,093.81 = 265,742.44/x
  3. Step 3: Cross multiply
    492,096.94x = 679,093.81 × 265,742.44
  4. Step 4: Simplify right side
    492,096.94x = 180,464,043,696.21
  5. Step 5: Solve for x
    x = 180,464,043,696.21/492,096.94
  6. Step 6: Final answer
    x = 366,724.58

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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.