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Finding the Fourth Proportional to 451,263.70, 622,742.61 and 250,059.70

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Solution

The fourth proportional to 451,263.70, 622,742.61 and 250,059.70 is: 345,081.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,263.70 : 622,742.61 = 250,059.70 : x
  2. Step 2: Convert to fraction form
    451,263.70/622,742.61 = 250,059.70/x
  3. Step 3: Cross multiply
    451,263.70x = 622,742.61 × 250,059.70
  4. Step 4: Simplify right side
    451,263.70x = 155,722,830,233.82
  5. Step 5: Solve for x
    x = 155,722,830,233.82/451,263.70
  6. Step 6: Final answer
    x = 345,081.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.