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Finding the Fourth Proportional to 235,334.70, 324,597.63 and 154,736.46

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Solution

The fourth proportional to 235,334.70, 324,597.63 and 154,736.46 is: 213,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,334.70 : 324,597.63 = 154,736.46 : x
  2. Step 2: Convert to fraction form
    235,334.70/324,597.63 = 154,736.46/x
  3. Step 3: Cross multiply
    235,334.70x = 324,597.63 × 154,736.46
  4. Step 4: Simplify right side
    235,334.70x = 50,227,088,190.59
  5. Step 5: Solve for x
    x = 50,227,088,190.59/235,334.70
  6. Step 6: Final answer
    x = 213,428.31

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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.