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Finding the Fourth Proportional to 573,720.88, 791,674.20 and 319,030.96

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Solution

The fourth proportional to 573,720.88, 791,674.20 and 319,030.96 is: 440,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,720.88 : 791,674.20 = 319,030.96 : x
  2. Step 2: Convert to fraction form
    573,720.88/791,674.20 = 319,030.96/x
  3. Step 3: Cross multiply
    573,720.88x = 791,674.20 × 319,030.96
  4. Step 4: Simplify right side
    573,720.88x = 252,568,580,033.23
  5. Step 5: Solve for x
    x = 252,568,580,033.23/573,720.88
  6. Step 6: Final answer
    x = 440,229.02

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