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Finding the Fourth Proportional to 217,524.99, 300,187.44 and 162,980.40

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Solution

The fourth proportional to 217,524.99, 300,187.44 and 162,980.40 is: 224,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,524.99 : 300,187.44 = 162,980.40 : x
  2. Step 2: Convert to fraction form
    217,524.99/300,187.44 = 162,980.40/x
  3. Step 3: Cross multiply
    217,524.99x = 300,187.44 × 162,980.40
  4. Step 4: Simplify right side
    217,524.99x = 48,924,669,046.18
  5. Step 5: Solve for x
    x = 48,924,669,046.18/217,524.99
  6. Step 6: Final answer
    x = 224,915.17

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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.