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Finding the Fourth Proportional to 331,696.60, 497,544.90 and 132,004.60

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Solution

The fourth proportional to 331,696.60, 497,544.90 and 132,004.60 is: 198,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,696.60 : 497,544.90 = 132,004.60 : x
  2. Step 2: Convert to fraction form
    331,696.60/497,544.90 = 132,004.60/x
  3. Step 3: Cross multiply
    331,696.60x = 497,544.90 × 132,004.60
  4. Step 4: Simplify right side
    331,696.60x = 65,678,215,506.54
  5. Step 5: Solve for x
    x = 65,678,215,506.54/331,696.60
  6. Step 6: Final answer
    x = 198,006.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.