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Finding the Fourth Proportional to 357,541.92, 493,383.60 and 196,403.76

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Solution

The fourth proportional to 357,541.92, 493,383.60 and 196,403.76 is: 271,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,541.92 : 493,383.60 = 196,403.76 : x
  2. Step 2: Convert to fraction form
    357,541.92/493,383.60 = 196,403.76/x
  3. Step 3: Cross multiply
    357,541.92x = 493,383.60 × 196,403.76
  4. Step 4: Simplify right side
    357,541.92x = 96,902,394,162.34
  5. Step 5: Solve for x
    x = 96,902,394,162.34/357,541.92
  6. Step 6: Final answer
    x = 271,023.87

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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.