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Finding the Fourth Proportional to 353,164.46, 529,164.12 and 203,530.46

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Solution

The fourth proportional to 353,164.46, 529,164.12 and 203,530.46 is: 304,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,164.46 : 529,164.12 = 203,530.46 : x
  2. Step 2: Convert to fraction form
    353,164.46/529,164.12 = 203,530.46/x
  3. Step 3: Cross multiply
    353,164.46x = 529,164.12 × 203,530.46
  4. Step 4: Simplify right side
    353,164.46x = 107,701,016,759.10
  5. Step 5: Solve for x
    x = 107,701,016,759.10/353,164.46
  6. Step 6: Final answer
    x = 304,959.95

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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.