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Finding the Fourth Proportional to 638,604.70, 957,629.46 and 183,095.62

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Solution

The fourth proportional to 638,604.70, 957,629.46 and 183,095.62 is: 274,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,604.70 : 957,629.46 = 183,095.62 : x
  2. Step 2: Convert to fraction form
    638,604.70/957,629.46 = 183,095.62/x
  3. Step 3: Cross multiply
    638,604.70x = 957,629.46 × 183,095.62
  4. Step 4: Simplify right side
    638,604.70x = 175,337,759,708.97
  5. Step 5: Solve for x
    x = 175,337,759,708.97/638,604.70
  6. Step 6: Final answer
    x = 274,563.84

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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.