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Finding the Fourth Proportional to 269,683.80, 404,140.20 and 198,044.40

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Solution

The fourth proportional to 269,683.80, 404,140.20 and 198,044.40 is: 296,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,683.80 : 404,140.20 = 198,044.40 : x
  2. Step 2: Convert to fraction form
    269,683.80/404,140.20 = 198,044.40/x
  3. Step 3: Cross multiply
    269,683.80x = 404,140.20 × 198,044.40
  4. Step 4: Simplify right side
    269,683.80x = 80,037,703,424.88
  5. Step 5: Solve for x
    x = 80,037,703,424.88/269,683.80
  6. Step 6: Final answer
    x = 296,783.51

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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.