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Finding the Fourth Proportional to 500,662.39, 751,068.96 and 145,629.67

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Solution

The fourth proportional to 500,662.39, 751,068.96 and 145,629.67 is: 218,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,662.39 : 751,068.96 = 145,629.67 : x
  2. Step 2: Convert to fraction form
    500,662.39/751,068.96 = 145,629.67/x
  3. Step 3: Cross multiply
    500,662.39x = 751,068.96 × 145,629.67
  4. Step 4: Simplify right side
    500,662.39x = 109,377,924,792.04
  5. Step 5: Solve for x
    x = 109,377,924,792.04/500,662.39
  6. Step 6: Final answer
    x = 218,466.43

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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.