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Finding the Fourth Proportional to 355,248.34, 490,246.15 and 194,103.37

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Solution

The fourth proportional to 355,248.34, 490,246.15 and 194,103.37 is: 267,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,248.34 : 490,246.15 = 194,103.37 : x
  2. Step 2: Convert to fraction form
    355,248.34/490,246.15 = 194,103.37/x
  3. Step 3: Cross multiply
    355,248.34x = 490,246.15 × 194,103.37
  4. Step 4: Simplify right side
    355,248.34x = 95,158,429,370.14
  5. Step 5: Solve for x
    x = 95,158,429,370.14/355,248.34
  6. Step 6: Final answer
    x = 267,864.53

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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.