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Finding the Fourth Proportional to 297,155.69, 445,728.68 and 119,658.23

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Solution

The fourth proportional to 297,155.69, 445,728.68 and 119,658.23 is: 179,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,155.69 : 445,728.68 = 119,658.23 : x
  2. Step 2: Convert to fraction form
    297,155.69/445,728.68 = 119,658.23/x
  3. Step 3: Cross multiply
    297,155.69x = 445,728.68 × 119,658.23
  4. Step 4: Simplify right side
    297,155.69x = 53,335,104,310.75
  5. Step 5: Solve for x
    x = 53,335,104,310.75/297,155.69
  6. Step 6: Final answer
    x = 179,485.39

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1.5x scale

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.