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Finding the Fourth Proportional to 574,446.24, 792,763.56 and 319,797.36

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Solution

The fourth proportional to 574,446.24, 792,763.56 and 319,797.36 is: 441,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,446.24 : 792,763.56 = 319,797.36 : x
  2. Step 2: Convert to fraction form
    574,446.24/792,763.56 = 319,797.36/x
  3. Step 3: Cross multiply
    574,446.24x = 792,763.56 × 319,797.36
  4. Step 4: Simplify right side
    574,446.24x = 253,523,693,592.20
  5. Step 5: Solve for x
    x = 253,523,693,592.20/574,446.24
  6. Step 6: Final answer
    x = 441,335.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.