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Finding the Fourth Proportional to 576,186.47, 795,063.97 and 321,548.39

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Solution

The fourth proportional to 576,186.47, 795,063.97 and 321,548.39 is: 443,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,186.47 : 795,063.97 = 321,548.39 : x
  2. Step 2: Convert to fraction form
    576,186.47/795,063.97 = 321,548.39/x
  3. Step 3: Cross multiply
    576,186.47x = 795,063.97 × 321,548.39
  4. Step 4: Simplify right side
    576,186.47x = 255,651,539,500.51
  5. Step 5: Solve for x
    x = 255,651,539,500.51/576,186.47
  6. Step 6: Final answer
    x = 443,695.84

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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.