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Finding the Fourth Proportional to 298,374.52, 411,744.72 and 170,961.52

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Solution

The fourth proportional to 298,374.52, 411,744.72 and 170,961.52 is: 235,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,374.52 : 411,744.72 = 170,961.52 : x
  2. Step 2: Convert to fraction form
    298,374.52/411,744.72 = 170,961.52/x
  3. Step 3: Cross multiply
    298,374.52x = 411,744.72 × 170,961.52
  4. Step 4: Simplify right side
    298,374.52x = 70,392,503,183.17
  5. Step 5: Solve for x
    x = 70,392,503,183.17/298,374.52
  6. Step 6: Final answer
    x = 235,919.95

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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.