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Finding the Fourth Proportional to 265,367.28, 366,198.38 and 157,912.68

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Solution

The fourth proportional to 265,367.28, 366,198.38 and 157,912.68 is: 217,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,367.28 : 366,198.38 = 157,912.68 : x
  2. Step 2: Convert to fraction form
    265,367.28/366,198.38 = 157,912.68/x
  3. Step 3: Cross multiply
    265,367.28x = 366,198.38 × 157,912.68
  4. Step 4: Simplify right side
    265,367.28x = 57,827,367,597.46
  5. Step 5: Solve for x
    x = 57,827,367,597.46/265,367.28
  6. Step 6: Final answer
    x = 217,914.46

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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.