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Finding the Fourth Proportional to 483,435.68, 667,320.88 and 415,178.56

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Solution

The fourth proportional to 483,435.68, 667,320.88 and 415,178.56 is: 573,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,435.68 : 667,320.88 = 415,178.56 : x
  2. Step 2: Convert to fraction form
    483,435.68/667,320.88 = 415,178.56/x
  3. Step 3: Cross multiply
    483,435.68x = 667,320.88 × 415,178.56
  4. Step 4: Simplify right side
    483,435.68x = 277,057,322,016.33
  5. Step 5: Solve for x
    x = 277,057,322,016.33/483,435.68
  6. Step 6: Final answer
    x = 573,100.69

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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.