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Finding the Fourth Proportional to 361,673.36, 499,103.40 and 198,329.36

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Solution

The fourth proportional to 361,673.36, 499,103.40 and 198,329.36 is: 273,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,673.36 : 499,103.40 = 198,329.36 : x
  2. Step 2: Convert to fraction form
    361,673.36/499,103.40 = 198,329.36/x
  3. Step 3: Cross multiply
    361,673.36x = 499,103.40 × 198,329.36
  4. Step 4: Simplify right side
    361,673.36x = 98,986,857,895.82
  5. Step 5: Solve for x
    x = 98,986,857,895.82/361,673.36
  6. Step 6: Final answer
    x = 273,691.32

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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.