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Finding the Fourth Proportional to 488,761.94, 674,494.82 and 270,977.27

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Solution

The fourth proportional to 488,761.94, 674,494.82 and 270,977.27 is: 373,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,761.94 : 674,494.82 = 270,977.27 : x
  2. Step 2: Convert to fraction form
    488,761.94/674,494.82 = 270,977.27/x
  3. Step 3: Cross multiply
    488,761.94x = 674,494.82 × 270,977.27
  4. Step 4: Simplify right side
    488,761.94x = 182,772,764,952.74
  5. Step 5: Solve for x
    x = 182,772,764,952.74/488,761.94
  6. Step 6: Final answer
    x = 373,950.49

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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.