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Finding the Fourth Proportional to 576,266.88, 795,293.28 and 321,656.24

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Solution

The fourth proportional to 576,266.88, 795,293.28 and 321,656.24 is: 443,910.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,266.88 : 795,293.28 = 321,656.24 : x
  2. Step 2: Convert to fraction form
    576,266.88/795,293.28 = 321,656.24/x
  3. Step 3: Cross multiply
    576,266.88x = 795,293.28 × 321,656.24
  4. Step 4: Simplify right side
    576,266.88x = 255,811,046,142.07
  5. Step 5: Solve for x
    x = 255,811,046,142.07/576,266.88
  6. Step 6: Final answer
    x = 443,910.72

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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.