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Finding the Fourth Proportional to 493,704.02, 681,307.65 and 267,349.52

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Solution

The fourth proportional to 493,704.02, 681,307.65 and 267,349.52 is: 368,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,704.02 : 681,307.65 = 267,349.52 : x
  2. Step 2: Convert to fraction form
    493,704.02/681,307.65 = 267,349.52/x
  3. Step 3: Cross multiply
    493,704.02x = 681,307.65 × 267,349.52
  4. Step 4: Simplify right side
    493,704.02x = 182,147,274,903.10
  5. Step 5: Solve for x
    x = 182,147,274,903.10/493,704.02
  6. Step 6: Final answer
    x = 368,940.23

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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.