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Finding the Fourth Proportional to 446,936.40, 670,404.60 and 410,194.80

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Solution

The fourth proportional to 446,936.40, 670,404.60 and 410,194.80 is: 615,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,936.40 : 670,404.60 = 410,194.80 : x
  2. Step 2: Convert to fraction form
    446,936.40/670,404.60 = 410,194.80/x
  3. Step 3: Cross multiply
    446,936.40x = 670,404.60 × 410,194.80
  4. Step 4: Simplify right side
    446,936.40x = 274,996,480,816.08
  5. Step 5: Solve for x
    x = 274,996,480,816.08/446,936.40
  6. Step 6: Final answer
    x = 615,292.20

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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.