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Finding the Fourth Proportional to 339,135.82, 467,990.25 and 201,320.64

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Solution

The fourth proportional to 339,135.82, 467,990.25 and 201,320.64 is: 277,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,135.82 : 467,990.25 = 201,320.64 : x
  2. Step 2: Convert to fraction form
    339,135.82/467,990.25 = 201,320.64/x
  3. Step 3: Cross multiply
    339,135.82x = 467,990.25 × 201,320.64
  4. Step 4: Simplify right side
    339,135.82x = 94,216,096,643.76
  5. Step 5: Solve for x
    x = 94,216,096,643.76/339,135.82
  6. Step 6: Final answer
    x = 277,812.28

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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.