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Finding the Fourth Proportional to 217,234.70, 325,852.05 and 177,836.30

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Solution

The fourth proportional to 217,234.70, 325,852.05 and 177,836.30 is: 266,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,234.70 : 325,852.05 = 177,836.30 : x
  2. Step 2: Convert to fraction form
    217,234.70/325,852.05 = 177,836.30/x
  3. Step 3: Cross multiply
    217,234.70x = 325,852.05 × 177,836.30
  4. Step 4: Simplify right side
    217,234.70x = 57,948,322,919.42
  5. Step 5: Solve for x
    x = 57,948,322,919.42/217,234.70
  6. Step 6: Final answer
    x = 266,754.45

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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.