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Finding the Fourth Proportional to 411,851.60, 616,740.60 and 270,846.80

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Solution

The fourth proportional to 411,851.60, 616,740.60 and 270,846.80 is: 405,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,851.60 : 616,740.60 = 270,846.80 : x
  2. Step 2: Convert to fraction form
    411,851.60/616,740.60 = 270,846.80/x
  3. Step 3: Cross multiply
    411,851.60x = 616,740.60 × 270,846.80
  4. Step 4: Simplify right side
    411,851.60x = 167,042,217,940.08
  5. Step 5: Solve for x
    x = 167,042,217,940.08/411,851.60
  6. Step 6: Final answer
    x = 405,588.37

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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.