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Finding the Fourth Proportional to 366,819.45, 513,897.15 and 366,819.45

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Solution

The fourth proportional to 366,819.45, 513,897.15 and 366,819.45 is: 513,897.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,819.45 : 513,897.15 = 366,819.45 : x
  2. Step 2: Convert to fraction form
    366,819.45/513,897.15 = 366,819.45/x
  3. Step 3: Cross multiply
    366,819.45x = 513,897.15 × 366,819.45
  4. Step 4: Simplify right side
    366,819.45x = 188,507,469,919.57
  5. Step 5: Solve for x
    x = 188,507,469,919.57/366,819.45
  6. Step 6: Final answer
    x = 513,897.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.