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Finding the Fourth Proportional to 576,213.12, 795,249.35 and 321,617.16

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Solution

The fourth proportional to 576,213.12, 795,249.35 and 321,617.16 is: 443,873.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,213.12 : 795,249.35 = 321,617.16 : x
  2. Step 2: Convert to fraction form
    576,213.12/795,249.35 = 321,617.16/x
  3. Step 3: Cross multiply
    576,213.12x = 795,249.35 × 321,617.16
  4. Step 4: Simplify right side
    576,213.12x = 255,765,835,830.76
  5. Step 5: Solve for x
    x = 255,765,835,830.76/576,213.12
  6. Step 6: Final answer
    x = 443,873.68

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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.