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Finding the Fourth Proportional to 433,648.80, 650,473.20 and 118,105.20

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Solution

The fourth proportional to 433,648.80, 650,473.20 and 118,105.20 is: 177,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,648.80 : 650,473.20 = 118,105.20 : x
  2. Step 2: Convert to fraction form
    433,648.80/650,473.20 = 118,105.20/x
  3. Step 3: Cross multiply
    433,648.80x = 650,473.20 × 118,105.20
  4. Step 4: Simplify right side
    433,648.80x = 76,824,267,380.64
  5. Step 5: Solve for x
    x = 76,824,267,380.64/433,648.80
  6. Step 6: Final answer
    x = 177,157.80

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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.