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Finding the Fourth Proportional to 357,622, 493,527.05 and 196,487.48

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Solution

The fourth proportional to 357,622, 493,527.05 and 196,487.48 is: 271,157.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,622 : 493,527.05 = 196,487.48 : x
  2. Step 2: Convert to fraction form
    357,622/493,527.05 = 196,487.48/x
  3. Step 3: Cross multiply
    357,622x = 493,527.05 × 196,487.48
  4. Step 4: Simplify right side
    357,622x = 96,971,886,366.33
  5. Step 5: Solve for x
    x = 96,971,886,366.33/357,622
  6. Step 6: Final answer
    x = 271,157.50

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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.