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Finding the Fourth Proportional to 308,059.40, 461,858.70 and 167,976.20

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Solution

The fourth proportional to 308,059.40, 461,858.70 and 167,976.20 is: 251,838.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,059.40 : 461,858.70 = 167,976.20 : x
  2. Step 2: Convert to fraction form
    308,059.40/461,858.70 = 167,976.20/x
  3. Step 3: Cross multiply
    308,059.40x = 461,858.70 × 167,976.20
  4. Step 4: Simplify right side
    308,059.40x = 77,581,269,362.94
  5. Step 5: Solve for x
    x = 77,581,269,362.94/308,059.40
  6. Step 6: Final answer
    x = 251,838.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.