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Finding the Fourth Proportional to 397,353.58, 548,123.50 and 236,260.59

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Solution

The fourth proportional to 397,353.58, 548,123.50 and 236,260.59 is: 325,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,353.58 : 548,123.50 = 236,260.59 : x
  2. Step 2: Convert to fraction form
    397,353.58/548,123.50 = 236,260.59/x
  3. Step 3: Cross multiply
    397,353.58x = 548,123.50 × 236,260.59
  4. Step 4: Simplify right side
    397,353.58x = 129,499,981,502.87
  5. Step 5: Solve for x
    x = 129,499,981,502.87/397,353.58
  6. Step 6: Final answer
    x = 325,906.17

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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.