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Finding the Fourth Proportional to 326,153.87, 450,097.38 and 197,074.39

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Solution

The fourth proportional to 326,153.87, 450,097.38 and 197,074.39 is: 271,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,153.87 : 450,097.38 = 197,074.39 : x
  2. Step 2: Convert to fraction form
    326,153.87/450,097.38 = 197,074.39/x
  3. Step 3: Cross multiply
    326,153.87x = 450,097.38 × 197,074.39
  4. Step 4: Simplify right side
    326,153.87x = 88,702,666,604.10
  5. Step 5: Solve for x
    x = 88,702,666,604.10/326,153.87
  6. Step 6: Final answer
    x = 271,965.70

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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.