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Finding the Fourth Proportional to 662,510.05, 993,858.01 and 325,563.97

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Solution

The fourth proportional to 662,510.05, 993,858.01 and 325,563.97 is: 488,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,510.05 : 993,858.01 = 325,563.97 : x
  2. Step 2: Convert to fraction form
    662,510.05/993,858.01 = 325,563.97/x
  3. Step 3: Cross multiply
    662,510.05x = 993,858.01 × 325,563.97
  4. Step 4: Simplify right side
    662,510.05x = 323,564,359,351.90
  5. Step 5: Solve for x
    x = 323,564,359,351.90/662,510.05
  6. Step 6: Final answer
    x = 488,391.62

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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.