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Finding the Fourth Proportional to 404,414.80, 606,622.20 and 370,297.60

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Solution

The fourth proportional to 404,414.80, 606,622.20 and 370,297.60 is: 555,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,414.80 : 606,622.20 = 370,297.60 : x
  2. Step 2: Convert to fraction form
    404,414.80/606,622.20 = 370,297.60/x
  3. Step 3: Cross multiply
    404,414.80x = 606,622.20 × 370,297.60
  4. Step 4: Simplify right side
    404,414.80x = 224,630,744,766.72
  5. Step 5: Solve for x
    x = 224,630,744,766.72/404,414.80
  6. Step 6: Final answer
    x = 555,446.40

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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.