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Finding the Fourth Proportional to 492,149.92, 679,166.75 and 265,795.42

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Solution

The fourth proportional to 492,149.92, 679,166.75 and 265,795.42 is: 366,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,149.92 : 679,166.75 = 265,795.42 : x
  2. Step 2: Convert to fraction form
    492,149.92/679,166.75 = 265,795.42/x
  3. Step 3: Cross multiply
    492,149.92x = 679,166.75 × 265,795.42
  4. Step 4: Simplify right side
    492,149.92x = 180,519,410,901.80
  5. Step 5: Solve for x
    x = 180,519,410,901.80/492,149.92
  6. Step 6: Final answer
    x = 366,797.60

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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.