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Finding the Fourth Proportional to 308,533.70, 425,997.16 and 240,626.54

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Solution

The fourth proportional to 308,533.70, 425,997.16 and 240,626.54 is: 332,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,533.70 : 425,997.16 = 240,626.54 : x
  2. Step 2: Convert to fraction form
    308,533.70/425,997.16 = 240,626.54/x
  3. Step 3: Cross multiply
    308,533.70x = 425,997.16 × 240,626.54
  4. Step 4: Simplify right side
    308,533.70x = 102,506,222,660.63
  5. Step 5: Solve for x
    x = 102,506,222,660.63/308,533.70
  6. Step 6: Final answer
    x = 332,236.71

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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.