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Finding the Fourth Proportional to 423,670.02, 635,310.96 and 252,969.27

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Solution

The fourth proportional to 423,670.02, 635,310.96 and 252,969.27 is: 379,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,670.02 : 635,310.96 = 252,969.27 : x
  2. Step 2: Convert to fraction form
    423,670.02/635,310.96 = 252,969.27/x
  3. Step 3: Cross multiply
    423,670.02x = 635,310.96 × 252,969.27
  4. Step 4: Simplify right side
    423,670.02x = 160,714,149,774.20
  5. Step 5: Solve for x
    x = 160,714,149,774.20/423,670.02
  6. Step 6: Final answer
    x = 379,338.03

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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.