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Finding the Fourth Proportional to 205,446.60, 308,169.90 and 173,953.80

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Solution

The fourth proportional to 205,446.60, 308,169.90 and 173,953.80 is: 260,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,446.60 : 308,169.90 = 173,953.80 : x
  2. Step 2: Convert to fraction form
    205,446.60/308,169.90 = 173,953.80/x
  3. Step 3: Cross multiply
    205,446.60x = 308,169.90 × 173,953.80
  4. Step 4: Simplify right side
    205,446.60x = 53,607,325,150.62
  5. Step 5: Solve for x
    x = 53,607,325,150.62/205,446.60
  6. Step 6: Final answer
    x = 260,930.70

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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.