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Finding the Fourth Proportional to 339,577.21, 468,408.12 and 201,662.46

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Solution

The fourth proportional to 339,577.21, 468,408.12 and 201,662.46 is: 278,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,577.21 : 468,408.12 = 201,662.46 : x
  2. Step 2: Convert to fraction form
    339,577.21/468,408.12 = 201,662.46/x
  3. Step 3: Cross multiply
    339,577.21x = 468,408.12 × 201,662.46
  4. Step 4: Simplify right side
    339,577.21x = 94,460,333,006.94
  5. Step 5: Solve for x
    x = 94,460,333,006.94/339,577.21
  6. Step 6: Final answer
    x = 278,170.41

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1.5x scale

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.