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Finding the Fourth Proportional to 205,732.70, 308,015.85 and 182,404.70

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Solution

The fourth proportional to 205,732.70, 308,015.85 and 182,404.70 is: 273,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,732.70 : 308,015.85 = 182,404.70 : x
  2. Step 2: Convert to fraction form
    205,732.70/308,015.85 = 182,404.70/x
  3. Step 3: Cross multiply
    205,732.70x = 308,015.85 × 182,404.70
  4. Step 4: Simplify right side
    205,732.70x = 56,183,538,714.50
  5. Step 5: Solve for x
    x = 56,183,538,714.50/205,732.70
  6. Step 6: Final answer
    x = 273,089.98

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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.