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Finding the Fourth Proportional to 269,677.60, 404,516.40 and 185,696.80

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Solution

The fourth proportional to 269,677.60, 404,516.40 and 185,696.80 is: 278,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,677.60 : 404,516.40 = 185,696.80 : x
  2. Step 2: Convert to fraction form
    269,677.60/404,516.40 = 185,696.80/x
  3. Step 3: Cross multiply
    269,677.60x = 404,516.40 × 185,696.80
  4. Step 4: Simplify right side
    269,677.60x = 75,117,401,027.52
  5. Step 5: Solve for x
    x = 75,117,401,027.52/269,677.60
  6. Step 6: Final answer
    x = 278,545.20

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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.