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Finding the Fourth Proportional to 297,685.37, 410,804.16 and 161,718.23

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Solution

The fourth proportional to 297,685.37, 410,804.16 and 161,718.23 is: 223,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,685.37 : 410,804.16 = 161,718.23 : x
  2. Step 2: Convert to fraction form
    297,685.37/410,804.16 = 161,718.23/x
  3. Step 3: Cross multiply
    297,685.37x = 410,804.16 × 161,718.23
  4. Step 4: Simplify right side
    297,685.37x = 66,434,519,577.82
  5. Step 5: Solve for x
    x = 66,434,519,577.82/297,685.37
  6. Step 6: Final answer
    x = 223,170.26

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1.5x scale

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.