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Finding the Fourth Proportional to 355,292.67, 490,305.17 and 194,147.73

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Solution

The fourth proportional to 355,292.67, 490,305.17 and 194,147.73 is: 267,924.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,292.67 : 490,305.17 = 194,147.73 : x
  2. Step 2: Convert to fraction form
    355,292.67/490,305.17 = 194,147.73/x
  3. Step 3: Cross multiply
    355,292.67x = 490,305.17 × 194,147.73
  4. Step 4: Simplify right side
    355,292.67x = 95,191,636,248.13
  5. Step 5: Solve for x
    x = 95,191,636,248.13/355,292.67
  6. Step 6: Final answer
    x = 267,924.57

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1.5x scale

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.