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Finding the Fourth Proportional to 451,213.88, 676,365.13 and 282,852.22

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Solution

The fourth proportional to 451,213.88, 676,365.13 and 282,852.22 is: 423,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,213.88 : 676,365.13 = 282,852.22 : x
  2. Step 2: Convert to fraction form
    451,213.88/676,365.13 = 282,852.22/x
  3. Step 3: Cross multiply
    451,213.88x = 676,365.13 × 282,852.22
  4. Step 4: Simplify right side
    451,213.88x = 191,311,373,755.00
  5. Step 5: Solve for x
    x = 191,311,373,755.00/451,213.88
  6. Step 6: Final answer
    x = 423,992.67

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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.