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Finding the Fourth Proportional to 662,696.20, 993,266.70 and 283,616.20

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Solution

The fourth proportional to 662,696.20, 993,266.70 and 283,616.20 is: 425,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,696.20 : 993,266.70 = 283,616.20 : x
  2. Step 2: Convert to fraction form
    662,696.20/993,266.70 = 283,616.20/x
  3. Step 3: Cross multiply
    662,696.20x = 993,266.70 × 283,616.20
  4. Step 4: Simplify right side
    662,696.20x = 281,706,527,040.54
  5. Step 5: Solve for x
    x = 281,706,527,040.54/662,696.20
  6. Step 6: Final answer
    x = 425,091.51

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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.