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Finding the Fourth Proportional to 574,739.30, 862,108.41 and 271,062.60

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Solution

The fourth proportional to 574,739.30, 862,108.41 and 271,062.60 is: 406,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,739.30 : 862,108.41 = 271,062.60 : x
  2. Step 2: Convert to fraction form
    574,739.30/862,108.41 = 271,062.60/x
  3. Step 3: Cross multiply
    574,739.30x = 862,108.41 × 271,062.60
  4. Step 4: Simplify right side
    574,739.30x = 233,685,349,729.40
  5. Step 5: Solve for x
    x = 233,685,349,729.40/574,739.30
  6. Step 6: Final answer
    x = 406,593.65

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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.