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Finding the Fourth Proportional to 357,937.39, 493,956.99 and 196,793.56

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Solution

The fourth proportional to 357,937.39, 493,956.99 and 196,793.56 is: 271,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,937.39 : 493,956.99 = 196,793.56 : x
  2. Step 2: Convert to fraction form
    357,937.39/493,956.99 = 196,793.56/x
  3. Step 3: Cross multiply
    357,937.39x = 493,956.99 × 196,793.56
  4. Step 4: Simplify right side
    357,937.39x = 97,207,554,548.98
  5. Step 5: Solve for x
    x = 97,207,554,548.98/357,937.39
  6. Step 6: Final answer
    x = 271,576.98

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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.