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Finding the Fourth Proportional to 321,973.90, 483,025.65 and 269,745.10

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Solution

The fourth proportional to 321,973.90, 483,025.65 and 269,745.10 is: 404,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,973.90 : 483,025.65 = 269,745.10 : x
  2. Step 2: Convert to fraction form
    321,973.90/483,025.65 = 269,745.10/x
  3. Step 3: Cross multiply
    321,973.90x = 483,025.65 × 269,745.10
  4. Step 4: Simplify right side
    321,973.90x = 130,293,802,261.82
  5. Step 5: Solve for x
    x = 130,293,802,261.82/321,973.90
  6. Step 6: Final answer
    x = 404,671.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.