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Finding the Fourth Proportional to 295,260, 407,480.70 and 167,976.60

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Solution

The fourth proportional to 295,260, 407,480.70 and 167,976.60 is: 231,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,260 : 407,480.70 = 167,976.60 : x
  2. Step 2: Convert to fraction form
    295,260/407,480.70 = 167,976.60/x
  3. Step 3: Cross multiply
    295,260x = 407,480.70 × 167,976.60
  4. Step 4: Simplify right side
    295,260x = 68,447,222,551.62
  5. Step 5: Solve for x
    x = 68,447,222,551.62/295,260
  6. Step 6: Final answer
    x = 231,820.17

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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.