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Finding the Fourth Proportional to 216,997.20, 325,495.80 and 182,005.20

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Solution

The fourth proportional to 216,997.20, 325,495.80 and 182,005.20 is: 273,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,997.20 : 325,495.80 = 182,005.20 : x
  2. Step 2: Convert to fraction form
    216,997.20/325,495.80 = 182,005.20/x
  3. Step 3: Cross multiply
    216,997.20x = 325,495.80 × 182,005.20
  4. Step 4: Simplify right side
    216,997.20x = 59,241,928,178.16
  5. Step 5: Solve for x
    x = 59,241,928,178.16/216,997.20
  6. Step 6: Final answer
    x = 273,007.80

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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.