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Finding the Fourth Proportional to 301,640.25, 416,162.23 and 170,800.06

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Solution

The fourth proportional to 301,640.25, 416,162.23 and 170,800.06 is: 235,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,640.25 : 416,162.23 = 170,800.06 : x
  2. Step 2: Convert to fraction form
    301,640.25/416,162.23 = 170,800.06/x
  3. Step 3: Cross multiply
    301,640.25x = 416,162.23 × 170,800.06
  4. Step 4: Simplify right side
    301,640.25x = 71,080,533,853.73
  5. Step 5: Solve for x
    x = 71,080,533,853.73/301,640.25
  6. Step 6: Final answer
    x = 235,646.71

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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.