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Finding the Fourth Proportional to 573,744.41, 791,795.34 and 319,090.13

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Solution

The fourth proportional to 573,744.41, 791,795.34 and 319,090.13 is: 440,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,744.41 : 791,795.34 = 319,090.13 : x
  2. Step 2: Convert to fraction form
    573,744.41/791,795.34 = 319,090.13/x
  3. Step 3: Cross multiply
    573,744.41x = 791,795.34 × 319,090.13
  4. Step 4: Simplify right side
    573,744.41x = 252,654,074,015.02
  5. Step 5: Solve for x
    x = 252,654,074,015.02/573,744.41
  6. Step 6: Final answer
    x = 440,359.98

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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.