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Finding the Fourth Proportional to 355,760.17, 490,958.22 and 194,622.01

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Solution

The fourth proportional to 355,760.17, 490,958.22 and 194,622.01 is: 268,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,760.17 : 490,958.22 = 194,622.01 : x
  2. Step 2: Convert to fraction form
    355,760.17/490,958.22 = 194,622.01/x
  3. Step 3: Cross multiply
    355,760.17x = 490,958.22 × 194,622.01
  4. Step 4: Simplify right side
    355,760.17x = 95,551,275,602.42
  5. Step 5: Solve for x
    x = 95,551,275,602.42/355,760.17
  6. Step 6: Final answer
    x = 268,583.40

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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.