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Finding the Fourth Proportional to 493,696.68, 681,296.58 and 267,338.28

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Solution

The fourth proportional to 493,696.68, 681,296.58 and 267,338.28 is: 368,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,696.68 : 681,296.58 = 267,338.28 : x
  2. Step 2: Convert to fraction form
    493,696.68/681,296.58 = 267,338.28/x
  3. Step 3: Cross multiply
    493,696.68x = 681,296.58 × 267,338.28
  4. Step 4: Simplify right side
    493,696.68x = 182,136,655,867.08
  5. Step 5: Solve for x
    x = 182,136,655,867.08/493,696.68
  6. Step 6: Final answer
    x = 368,924.21

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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.