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Finding the Fourth Proportional to 573,719.88, 791,672.82 and 319,029.96

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Solution

The fourth proportional to 573,719.88, 791,672.82 and 319,029.96 is: 440,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,719.88 : 791,672.82 = 319,029.96 : x
  2. Step 2: Convert to fraction form
    573,719.88/791,672.82 = 319,029.96/x
  3. Step 3: Cross multiply
    573,719.88x = 791,672.82 × 319,029.96
  4. Step 4: Simplify right side
    573,719.88x = 252,567,348,097.69
  5. Step 5: Solve for x
    x = 252,567,348,097.69/573,719.88
  6. Step 6: Final answer
    x = 440,227.64

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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.