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Finding the Fourth Proportional to 488,198.71, 673,784.95 and 273,352.62

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Solution

The fourth proportional to 488,198.71, 673,784.95 and 273,352.62 is: 377,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,198.71 : 673,784.95 = 273,352.62 : x
  2. Step 2: Convert to fraction form
    488,198.71/673,784.95 = 273,352.62/x
  3. Step 3: Cross multiply
    488,198.71x = 673,784.95 × 273,352.62
  4. Step 4: Simplify right side
    488,198.71x = 184,180,881,399.07
  5. Step 5: Solve for x
    x = 184,180,881,399.07/488,198.71
  6. Step 6: Final answer
    x = 377,266.22

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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.