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Finding the Fourth Proportional to 576,137.54, 795,070.68 and 321,489.48

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Solution

The fourth proportional to 576,137.54, 795,070.68 and 321,489.48 is: 443,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,137.54 : 795,070.68 = 321,489.48 : x
  2. Step 2: Convert to fraction form
    576,137.54/795,070.68 = 321,489.48/x
  3. Step 3: Cross multiply
    576,137.54x = 795,070.68 × 321,489.48
  4. Step 4: Simplify right side
    576,137.54x = 255,606,859,476.45
  5. Step 5: Solve for x
    x = 255,606,859,476.45/576,137.54
  6. Step 6: Final answer
    x = 443,655.97

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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.