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Finding the Fourth Proportional to 358,274.31, 536,820.97 and 208,093.02

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Solution

The fourth proportional to 358,274.31, 536,820.97 and 208,093.02 is: 311,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,274.31 : 536,820.97 = 208,093.02 : x
  2. Step 2: Convert to fraction form
    358,274.31/536,820.97 = 208,093.02/x
  3. Step 3: Cross multiply
    358,274.31x = 536,820.97 × 208,093.02
  4. Step 4: Simplify right side
    358,274.31x = 111,708,696,846.63
  5. Step 5: Solve for x
    x = 111,708,696,846.63/358,274.31
  6. Step 6: Final answer
    x = 311,796.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.