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Finding the Fourth Proportional to 433,988.38, 650,950.17 and 134,471.26

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Solution

The fourth proportional to 433,988.38, 650,950.17 and 134,471.26 is: 201,696.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,988.38 : 650,950.17 = 134,471.26 : x
  2. Step 2: Convert to fraction form
    433,988.38/650,950.17 = 134,471.26/x
  3. Step 3: Cross multiply
    433,988.38x = 650,950.17 × 134,471.26
  4. Step 4: Simplify right side
    433,988.38x = 87,534,089,557.11
  5. Step 5: Solve for x
    x = 87,534,089,557.11/433,988.38
  6. Step 6: Final answer
    x = 201,696.85

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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.