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Finding the Fourth Proportional to 367,090.40, 550,635.60 and 353,093.60

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Solution

The fourth proportional to 367,090.40, 550,635.60 and 353,093.60 is: 529,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,090.40 : 550,635.60 = 353,093.60 : x
  2. Step 2: Convert to fraction form
    367,090.40/550,635.60 = 353,093.60/x
  3. Step 3: Cross multiply
    367,090.40x = 550,635.60 × 353,093.60
  4. Step 4: Simplify right side
    367,090.40x = 194,425,906,292.16
  5. Step 5: Solve for x
    x = 194,425,906,292.16/367,090.40
  6. Step 6: Final answer
    x = 529,640.40

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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.