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Finding the Fourth Proportional to 437,634.45, 603,350.64 and 328,273.92

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Solution

The fourth proportional to 437,634.45, 603,350.64 and 328,273.92 is: 452,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,634.45 : 603,350.64 = 328,273.92 : x
  2. Step 2: Convert to fraction form
    437,634.45/603,350.64 = 328,273.92/x
  3. Step 3: Cross multiply
    437,634.45x = 603,350.64 × 328,273.92
  4. Step 4: Simplify right side
    437,634.45x = 198,064,279,727.31
  5. Step 5: Solve for x
    x = 198,064,279,727.31/437,634.45
  6. Step 6: Final answer
    x = 452,579.27

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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.