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Finding the Fourth Proportional to 323,080.54, 445,774.98 and 271,593.46

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Solution

The fourth proportional to 323,080.54, 445,774.98 and 271,593.46 is: 374,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,080.54 : 445,774.98 = 271,593.46 : x
  2. Step 2: Convert to fraction form
    323,080.54/445,774.98 = 271,593.46/x
  3. Step 3: Cross multiply
    323,080.54x = 445,774.98 × 271,593.46
  4. Step 4: Simplify right side
    323,080.54x = 121,069,569,199.63
  5. Step 5: Solve for x
    x = 121,069,569,199.63/323,080.54
  6. Step 6: Final answer
    x = 374,734.95

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1.5x scale

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.