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Finding the Fourth Proportional to 493,627.50, 681,205.95 and 267,273

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Solution

The fourth proportional to 493,627.50, 681,205.95 and 267,273 is: 368,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,627.50 : 681,205.95 = 267,273 : x
  2. Step 2: Convert to fraction form
    493,627.50/681,205.95 = 267,273/x
  3. Step 3: Cross multiply
    493,627.50x = 681,205.95 × 267,273
  4. Step 4: Simplify right side
    493,627.50x = 182,067,957,874.35
  5. Step 5: Solve for x
    x = 182,067,957,874.35/493,627.50
  6. Step 6: Final answer
    x = 368,836.74

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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.