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Finding the Fourth Proportional to 303,816.46, 419,266.70 and 169,680.46

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Solution

The fourth proportional to 303,816.46, 419,266.70 and 169,680.46 is: 234,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,816.46 : 419,266.70 = 169,680.46 : x
  2. Step 2: Convert to fraction form
    303,816.46/419,266.70 = 169,680.46/x
  3. Step 3: Cross multiply
    303,816.46x = 419,266.70 × 169,680.46
  4. Step 4: Simplify right side
    303,816.46x = 71,141,366,518.68
  5. Step 5: Solve for x
    x = 71,141,366,518.68/303,816.46
  6. Step 6: Final answer
    x = 234,159.03

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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.