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Finding the Fourth Proportional to 362,195.85, 543,862.44 and 306,762.69

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Solution

The fourth proportional to 362,195.85, 543,862.44 and 306,762.69 is: 460,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,195.85 : 543,862.44 = 306,762.69 : x
  2. Step 2: Convert to fraction form
    362,195.85/543,862.44 = 306,762.69/x
  3. Step 3: Cross multiply
    362,195.85x = 543,862.44 × 306,762.69
  4. Step 4: Simplify right side
    362,195.85x = 166,836,705,084.36
  5. Step 5: Solve for x
    x = 166,836,705,084.36/362,195.85
  6. Step 6: Final answer
    x = 460,625.67

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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.