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Finding the Fourth Proportional to 367,450.40, 551,175.60 and 261,696.80

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Solution

The fourth proportional to 367,450.40, 551,175.60 and 261,696.80 is: 392,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,450.40 : 551,175.60 = 261,696.80 : x
  2. Step 2: Convert to fraction form
    367,450.40/551,175.60 = 261,696.80/x
  3. Step 3: Cross multiply
    367,450.40x = 551,175.60 × 261,696.80
  4. Step 4: Simplify right side
    367,450.40x = 144,240,890,758.08
  5. Step 5: Solve for x
    x = 144,240,890,758.08/367,450.40
  6. Step 6: Final answer
    x = 392,545.20

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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.