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Finding the Fourth Proportional to 576,399.38, 795,430.34 and 321,750.56

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Solution

The fourth proportional to 576,399.38, 795,430.34 and 321,750.56 is: 444,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,399.38 : 795,430.34 = 321,750.56 : x
  2. Step 2: Convert to fraction form
    576,399.38/795,430.34 = 321,750.56/x
  3. Step 3: Cross multiply
    576,399.38x = 795,430.34 × 321,750.56
  4. Step 4: Simplify right side
    576,399.38x = 255,930,157,335.99
  5. Step 5: Solve for x
    x = 255,930,157,335.99/576,399.38
  6. Step 6: Final answer
    x = 444,015.32

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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.