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Finding the Fourth Proportional to 493,498.37, 681,026.94 and 267,143.87

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Solution

The fourth proportional to 493,498.37, 681,026.94 and 267,143.87 is: 368,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,498.37 : 681,026.94 = 267,143.87 : x
  2. Step 2: Convert to fraction form
    493,498.37/681,026.94 = 267,143.87/x
  3. Step 3: Cross multiply
    493,498.37x = 681,026.94 × 267,143.87
  4. Step 4: Simplify right side
    493,498.37x = 181,932,174,028.43
  5. Step 5: Solve for x
    x = 181,932,174,028.43/493,498.37
  6. Step 6: Final answer
    x = 368,658.10

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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.