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Finding the Fourth Proportional to 301,639.25, 416,160.86 and 170,799.06

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Solution

The fourth proportional to 301,639.25, 416,160.86 and 170,799.06 is: 235,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,639.25 : 416,160.86 = 170,799.06 : x
  2. Step 2: Convert to fraction form
    301,639.25/416,160.86 = 170,799.06/x
  3. Step 3: Cross multiply
    301,639.25x = 416,160.86 × 170,799.06
  4. Step 4: Simplify right side
    301,639.25x = 71,079,882,842.80
  5. Step 5: Solve for x
    x = 71,079,882,842.80/301,639.25
  6. Step 6: Final answer
    x = 235,645.34

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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.