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Finding the Fourth Proportional to 576,212.88, 795,249 and 321,616.92

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Solution

The fourth proportional to 576,212.88, 795,249 and 321,616.92 is: 443,873.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,212.88 : 795,249 = 321,616.92 : x
  2. Step 2: Convert to fraction form
    576,212.88/795,249 = 321,616.92/x
  3. Step 3: Cross multiply
    576,212.88x = 795,249 × 321,616.92
  4. Step 4: Simplify right side
    576,212.88x = 255,765,534,013.08
  5. Step 5: Solve for x
    x = 255,765,534,013.08/576,212.88
  6. Step 6: Final answer
    x = 443,873.34

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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.