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Finding the Fourth Proportional to 433,104, 649,645.05 and 117,552.72

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Solution

The fourth proportional to 433,104, 649,645.05 and 117,552.72 is: 176,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,104 : 649,645.05 = 117,552.72 : x
  2. Step 2: Convert to fraction form
    433,104/649,645.05 = 117,552.72/x
  3. Step 3: Cross multiply
    433,104x = 649,645.05 × 117,552.72
  4. Step 4: Simplify right side
    433,104x = 76,367,542,662.04
  5. Step 5: Solve for x
    x = 76,367,542,662.04/433,104
  6. Step 6: Final answer
    x = 176,326.11

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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.