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Finding the Fourth Proportional to 347,851.20, 522,165.60 and 269,313.60

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Solution

The fourth proportional to 347,851.20, 522,165.60 and 269,313.60 is: 404,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,851.20 : 522,165.60 = 269,313.60 : x
  2. Step 2: Convert to fraction form
    347,851.20/522,165.60 = 269,313.60/x
  3. Step 3: Cross multiply
    347,851.20x = 522,165.60 × 269,313.60
  4. Step 4: Simplify right side
    347,851.20x = 140,626,297,532.16
  5. Step 5: Solve for x
    x = 140,626,297,532.16/347,851.20
  6. Step 6: Final answer
    x = 404,271.42

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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.