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Finding the Fourth Proportional to 541,063.50, 746,906.80 and 323,349

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Solution

The fourth proportional to 541,063.50, 746,906.80 and 323,349 is: 446,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,063.50 : 746,906.80 = 323,349 : x
  2. Step 2: Convert to fraction form
    541,063.50/746,906.80 = 323,349/x
  3. Step 3: Cross multiply
    541,063.50x = 746,906.80 × 323,349
  4. Step 4: Simplify right side
    541,063.50x = 241,511,566,873.20
  5. Step 5: Solve for x
    x = 241,511,566,873.20/541,063.50
  6. Step 6: Final answer
    x = 446,364.55

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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.