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Finding the Fourth Proportional to 576,185.32, 795,136.40 and 321,536.44

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Solution

The fourth proportional to 576,185.32, 795,136.40 and 321,536.44 is: 443,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,185.32 : 795,136.40 = 321,536.44 : x
  2. Step 2: Convert to fraction form
    576,185.32/795,136.40 = 321,536.44/x
  3. Step 3: Cross multiply
    576,185.32x = 795,136.40 × 321,536.44
  4. Step 4: Simplify right side
    576,185.32x = 255,665,327,370.42
  5. Step 5: Solve for x
    x = 255,665,327,370.42/576,185.32
  6. Step 6: Final answer
    x = 443,720.65

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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.