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Finding the Fourth Proportional to 308,337.40, 462,635.70 and 168,196.60

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Solution

The fourth proportional to 308,337.40, 462,635.70 and 168,196.60 is: 252,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,337.40 : 462,635.70 = 168,196.60 : x
  2. Step 2: Convert to fraction form
    308,337.40/462,635.70 = 168,196.60/x
  3. Step 3: Cross multiply
    308,337.40x = 462,635.70 × 168,196.60
  4. Step 4: Simplify right side
    308,337.40x = 77,813,751,778.62
  5. Step 5: Solve for x
    x = 77,813,751,778.62/308,337.40
  6. Step 6: Final answer
    x = 252,365.60

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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.