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Finding the Fourth Proportional to 573,241.96, 791,076.46 and 315,135.50

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Solution

The fourth proportional to 573,241.96, 791,076.46 and 315,135.50 is: 434,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,241.96 : 791,076.46 = 315,135.50 : x
  2. Step 2: Convert to fraction form
    573,241.96/791,076.46 = 315,135.50/x
  3. Step 3: Cross multiply
    573,241.96x = 791,076.46 × 315,135.50
  4. Step 4: Simplify right side
    573,241.96x = 249,296,275,760.33
  5. Step 5: Solve for x
    x = 249,296,275,760.33/573,241.96
  6. Step 6: Final answer
    x = 434,888.39

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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.