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Finding the Fourth Proportional to 404,314.80, 606,472.20 and 370,197.60

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Solution

The fourth proportional to 404,314.80, 606,472.20 and 370,197.60 is: 555,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,314.80 : 606,472.20 = 370,197.60 : x
  2. Step 2: Convert to fraction form
    404,314.80/606,472.20 = 370,197.60/x
  3. Step 3: Cross multiply
    404,314.80x = 606,472.20 × 370,197.60
  4. Step 4: Simplify right side
    404,314.80x = 224,514,552,906.72
  5. Step 5: Solve for x
    x = 224,514,552,906.72/404,314.80
  6. Step 6: Final answer
    x = 555,296.40

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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.