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Finding the Fourth Proportional to 513,628.62, 770,244.48 and 176,605.44

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Solution

The fourth proportional to 513,628.62, 770,244.48 and 176,605.44 is: 264,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,628.62 : 770,244.48 = 176,605.44 : x
  2. Step 2: Convert to fraction form
    513,628.62/770,244.48 = 176,605.44/x
  3. Step 3: Cross multiply
    513,628.62x = 770,244.48 × 176,605.44
  4. Step 4: Simplify right side
    513,628.62x = 136,029,365,297.97
  5. Step 5: Solve for x
    x = 136,029,365,297.97/513,628.62
  6. Step 6: Final answer
    x = 264,839.93

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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.