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Finding the Fourth Proportional to 225,325.92, 310,618.56 and 171,517.20

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Solution

The fourth proportional to 225,325.92, 310,618.56 and 171,517.20 is: 236,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,325.92 : 310,618.56 = 171,517.20 : x
  2. Step 2: Convert to fraction form
    225,325.92/310,618.56 = 171,517.20/x
  3. Step 3: Cross multiply
    225,325.92x = 310,618.56 × 171,517.20
  4. Step 4: Simplify right side
    225,325.92x = 53,276,425,679.23
  5. Step 5: Solve for x
    x = 53,276,425,679.23/225,325.92
  6. Step 6: Final answer
    x = 236,441.62

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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.