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Finding the Fourth Proportional to 483,631.38, 725,352.57 and 459,626.94

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Solution

The fourth proportional to 483,631.38, 725,352.57 and 459,626.94 is: 689,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,631.38 : 725,352.57 = 459,626.94 : x
  2. Step 2: Convert to fraction form
    483,631.38/725,352.57 = 459,626.94/x
  3. Step 3: Cross multiply
    483,631.38x = 725,352.57 × 459,626.94
  4. Step 4: Simplify right side
    483,631.38x = 333,391,582,170.24
  5. Step 5: Solve for x
    x = 333,391,582,170.24/483,631.38
  6. Step 6: Final answer
    x = 689,350.60

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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.