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Finding the Fourth Proportional to 464,600.36, 641,070.78 and 273,651.77

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Solution

The fourth proportional to 464,600.36, 641,070.78 and 273,651.77 is: 377,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,600.36 : 641,070.78 = 273,651.77 : x
  2. Step 2: Convert to fraction form
    464,600.36/641,070.78 = 273,651.77/x
  3. Step 3: Cross multiply
    464,600.36x = 641,070.78 × 273,651.77
  4. Step 4: Simplify right side
    464,600.36x = 175,430,153,642.28
  5. Step 5: Solve for x
    x = 175,430,153,642.28/464,600.36
  6. Step 6: Final answer
    x = 377,593.67

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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.