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Finding the Fourth Proportional to 483,882.54, 667,548.99 and 302,278.38

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Solution

The fourth proportional to 483,882.54, 667,548.99 and 302,278.38 is: 417,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,882.54 : 667,548.99 = 302,278.38 : x
  2. Step 2: Convert to fraction form
    483,882.54/667,548.99 = 302,278.38/x
  3. Step 3: Cross multiply
    483,882.54x = 667,548.99 × 302,278.38
  4. Step 4: Simplify right side
    483,882.54x = 201,785,627,267.84
  5. Step 5: Solve for x
    x = 201,785,627,267.84/483,882.54
  6. Step 6: Final answer
    x = 417,013.66

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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.