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Finding the Fourth Proportional to 357,731.34, 493,659.30 and 196,586.34

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Solution

The fourth proportional to 357,731.34, 493,659.30 and 196,586.34 is: 271,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,731.34 : 493,659.30 = 196,586.34 : x
  2. Step 2: Convert to fraction form
    357,731.34/493,659.30 = 196,586.34/x
  3. Step 3: Cross multiply
    357,731.34x = 493,659.30 × 196,586.34
  4. Step 4: Simplify right side
    357,731.34x = 97,046,674,993.96
  5. Step 5: Solve for x
    x = 97,046,674,993.96/357,731.34
  6. Step 6: Final answer
    x = 271,283.68

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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.