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Finding the Fourth Proportional to 493,797.40, 681,441.32 and 267,442.96

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Solution

The fourth proportional to 493,797.40, 681,441.32 and 267,442.96 is: 369,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,797.40 : 681,441.32 = 267,442.96 : x
  2. Step 2: Convert to fraction form
    493,797.40/681,441.32 = 267,442.96/x
  3. Step 3: Cross multiply
    493,797.40x = 681,441.32 × 267,442.96
  4. Step 4: Simplify right side
    493,797.40x = 182,246,683,687.11
  5. Step 5: Solve for x
    x = 182,246,683,687.11/493,797.40
  6. Step 6: Final answer
    x = 369,071.78

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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.