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Finding the Fourth Proportional to 308,334.60, 432,912.60 and 308,334.60

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Solution

The fourth proportional to 308,334.60, 432,912.60 and 308,334.60 is: 432,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,334.60 : 432,912.60 = 308,334.60 : x
  2. Step 2: Convert to fraction form
    308,334.60/432,912.60 = 308,334.60/x
  3. Step 3: Cross multiply
    308,334.60x = 432,912.60 × 308,334.60
  4. Step 4: Simplify right side
    308,334.60x = 133,481,933,355.96
  5. Step 5: Solve for x
    x = 133,481,933,355.96/308,334.60
  6. Step 6: Final answer
    x = 432,912.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.