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Finding the Fourth Proportional to 433,911.34, 650,847.97 and 118,367.20

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Solution

The fourth proportional to 433,911.34, 650,847.97 and 118,367.20 is: 177,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,911.34 : 650,847.97 = 118,367.20 : x
  2. Step 2: Convert to fraction form
    433,911.34/650,847.97 = 118,367.20/x
  3. Step 3: Cross multiply
    433,911.34x = 650,847.97 × 118,367.20
  4. Step 4: Simplify right side
    433,911.34x = 77,039,051,834.58
  5. Step 5: Solve for x
    x = 77,039,051,834.58/433,911.34
  6. Step 6: Final answer
    x = 177,545.61

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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.