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Finding the Fourth Proportional to 433,448.82, 650,107.62 and 117,930.33

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Solution

The fourth proportional to 433,448.82, 650,107.62 and 117,930.33 is: 176,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,448.82 : 650,107.62 = 117,930.33 : x
  2. Step 2: Convert to fraction form
    433,448.82/650,107.62 = 117,930.33/x
  3. Step 3: Cross multiply
    433,448.82x = 650,107.62 × 117,930.33
  4. Step 4: Simplify right side
    433,448.82x = 76,667,406,162.11
  5. Step 5: Solve for x
    x = 76,667,406,162.11/433,448.82
  6. Step 6: Final answer
    x = 176,877.64

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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.