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Finding the Fourth Proportional to 347,325.20, 521,002.20 and 110,661.20

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Solution

The fourth proportional to 347,325.20, 521,002.20 and 110,661.20 is: 165,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,325.20 : 521,002.20 = 110,661.20 : x
  2. Step 2: Convert to fraction form
    347,325.20/521,002.20 = 110,661.20/x
  3. Step 3: Cross multiply
    347,325.20x = 521,002.20 × 110,661.20
  4. Step 4: Simplify right side
    347,325.20x = 57,654,728,654.64
  5. Step 5: Solve for x
    x = 57,654,728,654.64/347,325.20
  6. Step 6: Final answer
    x = 165,996.39

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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.