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Finding the Fourth Proportional to 357,696.27, 493,620.66 and 196,561.71

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Solution

The fourth proportional to 357,696.27, 493,620.66 and 196,561.71 is: 271,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,696.27 : 493,620.66 = 196,561.71 : x
  2. Step 2: Convert to fraction form
    357,696.27/493,620.66 = 196,561.71/x
  3. Step 3: Cross multiply
    357,696.27x = 493,620.66 × 196,561.71
  4. Step 4: Simplify right side
    357,696.27x = 97,026,921,020.93
  5. Step 5: Solve for x
    x = 97,026,921,020.93/357,696.27
  6. Step 6: Final answer
    x = 271,255.05

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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.