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Finding the Fourth Proportional to 321,008.80, 481,513.20 and 241,693.60

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Solution

The fourth proportional to 321,008.80, 481,513.20 and 241,693.60 is: 362,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,008.80 : 481,513.20 = 241,693.60 : x
  2. Step 2: Convert to fraction form
    321,008.80/481,513.20 = 241,693.60/x
  3. Step 3: Cross multiply
    321,008.80x = 481,513.20 × 241,693.60
  4. Step 4: Simplify right side
    321,008.80x = 116,378,658,755.52
  5. Step 5: Solve for x
    x = 116,378,658,755.52/321,008.80
  6. Step 6: Final answer
    x = 362,540.40

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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.