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Finding the Fourth Proportional to 265,869, 397,866.72 and 166,076.19

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Solution

The fourth proportional to 265,869, 397,866.72 and 166,076.19 is: 248,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,869 : 397,866.72 = 166,076.19 : x
  2. Step 2: Convert to fraction form
    265,869/397,866.72 = 166,076.19/x
  3. Step 3: Cross multiply
    265,869x = 397,866.72 × 166,076.19
  4. Step 4: Simplify right side
    265,869x = 66,076,188,985.40
  5. Step 5: Solve for x
    x = 66,076,188,985.40/265,869
  6. Step 6: Final answer
    x = 248,529.12

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1.5x scale

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.