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Finding the Fourth Proportional to 576,169.28, 795,112.44 and 321,505.28

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Solution

The fourth proportional to 576,169.28, 795,112.44 and 321,505.28 is: 443,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,169.28 : 795,112.44 = 321,505.28 : x
  2. Step 2: Convert to fraction form
    576,169.28/795,112.44 = 321,505.28/x
  3. Step 3: Cross multiply
    576,169.28x = 795,112.44 × 321,505.28
  4. Step 4: Simplify right side
    576,169.28x = 255,632,847,653.68
  5. Step 5: Solve for x
    x = 255,632,847,653.68/576,169.28
  6. Step 6: Final answer
    x = 443,676.64

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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.