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Finding the Fourth Proportional to 433,954.88, 650,993.94 and 134,459

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Solution

The fourth proportional to 433,954.88, 650,993.94 and 134,459 is: 201,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,954.88 : 650,993.94 = 134,459 : x
  2. Step 2: Convert to fraction form
    433,954.88/650,993.94 = 134,459/x
  3. Step 3: Cross multiply
    433,954.88x = 650,993.94 × 134,459
  4. Step 4: Simplify right side
    433,954.88x = 87,531,994,178.46
  5. Step 5: Solve for x
    x = 87,531,994,178.46/433,954.88
  6. Step 6: Final answer
    x = 201,707.59

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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.