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Finding the Fourth Proportional to 488,007.23, 673,449.74 and 273,147.24

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Solution

The fourth proportional to 488,007.23, 673,449.74 and 273,147.24 is: 376,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,007.23 : 673,449.74 = 273,147.24 : x
  2. Step 2: Convert to fraction form
    488,007.23/673,449.74 = 273,147.24/x
  3. Step 3: Cross multiply
    488,007.23x = 673,449.74 × 273,147.24
  4. Step 4: Simplify right side
    488,007.23x = 183,950,937,692.02
  5. Step 5: Solve for x
    x = 183,950,937,692.02/488,007.23
  6. Step 6: Final answer
    x = 376,943.06

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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.