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Finding the Fourth Proportional to 483,640.68, 667,424.58 and 268,800.84

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Solution

The fourth proportional to 483,640.68, 667,424.58 and 268,800.84 is: 370,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,640.68 : 667,424.58 = 268,800.84 : x
  2. Step 2: Convert to fraction form
    483,640.68/667,424.58 = 268,800.84/x
  3. Step 3: Cross multiply
    483,640.68x = 667,424.58 × 268,800.84
  4. Step 4: Simplify right side
    483,640.68x = 179,404,287,740.65
  5. Step 5: Solve for x
    x = 179,404,287,740.65/483,640.68
  6. Step 6: Final answer
    x = 370,945.40

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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.