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Finding the Fourth Proportional to 410,618.24, 612,131.72 and 404,147.44

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Solution

The fourth proportional to 410,618.24, 612,131.72 and 404,147.44 is: 602,485.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,618.24 : 612,131.72 = 404,147.44 : x
  2. Step 2: Convert to fraction form
    410,618.24/612,131.72 = 404,147.44/x
  3. Step 3: Cross multiply
    410,618.24x = 612,131.72 × 404,147.44
  4. Step 4: Simplify right side
    410,618.24x = 247,391,467,580.80
  5. Step 5: Solve for x
    x = 247,391,467,580.80/410,618.24
  6. Step 6: Final answer
    x = 602,485.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.