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Finding the Fourth Proportional to 493,552.60, 681,102.84 and 267,198.16

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Solution

The fourth proportional to 493,552.60, 681,102.84 and 267,198.16 is: 368,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,552.60 : 681,102.84 = 267,198.16 : x
  2. Step 2: Convert to fraction form
    493,552.60/681,102.84 = 267,198.16/x
  3. Step 3: Cross multiply
    493,552.60x = 681,102.84 × 267,198.16
  4. Step 4: Simplify right side
    493,552.60x = 181,989,425,618.77
  5. Step 5: Solve for x
    x = 181,989,425,618.77/493,552.60
  6. Step 6: Final answer
    x = 368,733.60

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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.