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Finding the Fourth Proportional to 339,268.80, 508,903.20 and 173,035.20

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Solution

The fourth proportional to 339,268.80, 508,903.20 and 173,035.20 is: 259,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,268.80 : 508,903.20 = 173,035.20 : x
  2. Step 2: Convert to fraction form
    339,268.80/508,903.20 = 173,035.20/x
  3. Step 3: Cross multiply
    339,268.80x = 508,903.20 × 173,035.20
  4. Step 4: Simplify right side
    339,268.80x = 88,058,166,992.64
  5. Step 5: Solve for x
    x = 88,058,166,992.64/339,268.80
  6. Step 6: Final answer
    x = 259,552.80

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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.