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Finding the Fourth Proportional to 576,322.60, 795,326.10 and 321,673.72

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Solution

The fourth proportional to 576,322.60, 795,326.10 and 321,673.72 is: 443,910.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,322.60 : 795,326.10 = 321,673.72 : x
  2. Step 2: Convert to fraction form
    576,322.60/795,326.10 = 321,673.72/x
  3. Step 3: Cross multiply
    576,322.60x = 795,326.10 × 321,673.72
  4. Step 4: Simplify right side
    576,322.60x = 255,835,505,200.09
  5. Step 5: Solve for x
    x = 255,835,505,200.09/576,322.60
  6. Step 6: Final answer
    x = 443,910.24

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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.