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Finding the Fourth Proportional to 483,537.86, 667,270.12 and 268,678.48

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Solution

The fourth proportional to 483,537.86, 667,270.12 and 268,678.48 is: 370,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,537.86 : 667,270.12 = 268,678.48 : x
  2. Step 2: Convert to fraction form
    483,537.86/667,270.12 = 268,678.48/x
  3. Step 3: Cross multiply
    483,537.86x = 667,270.12 × 268,678.48
  4. Step 4: Simplify right side
    483,537.86x = 179,281,121,591.02
  5. Step 5: Solve for x
    x = 179,281,121,591.02/483,537.86
  6. Step 6: Final answer
    x = 370,769.56

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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.