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Finding the Fourth Proportional to 492,237.75, 679,288.37 and 265,883.25

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Solution

The fourth proportional to 492,237.75, 679,288.37 and 265,883.25 is: 366,919.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,237.75 : 679,288.37 = 265,883.25 : x
  2. Step 2: Convert to fraction form
    492,237.75/679,288.37 = 265,883.25/x
  3. Step 3: Cross multiply
    492,237.75x = 679,288.37 × 265,883.25
  4. Step 4: Simplify right side
    492,237.75x = 180,611,398,173.39
  5. Step 5: Solve for x
    x = 180,611,398,173.39/492,237.75
  6. Step 6: Final answer
    x = 366,919.03

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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.