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Finding the Fourth Proportional to 576,321.60, 795,324.72 and 321,672.72

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Solution

The fourth proportional to 576,321.60, 795,324.72 and 321,672.72 is: 443,908.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,321.60 : 795,324.72 = 321,672.72 : x
  2. Step 2: Convert to fraction form
    576,321.60/795,324.72 = 321,672.72/x
  3. Step 3: Cross multiply
    576,321.60x = 795,324.72 × 321,672.72
  4. Step 4: Simplify right side
    576,321.60x = 255,834,265,965.64
  5. Step 5: Solve for x
    x = 255,834,265,965.64/576,321.60
  6. Step 6: Final answer
    x = 443,908.86

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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.