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Finding the Fourth Proportional to 577,851.40, 866,517.90 and 222,747.40

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Solution

The fourth proportional to 577,851.40, 866,517.90 and 222,747.40 is: 334,021.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,851.40 : 866,517.90 = 222,747.40 : x
  2. Step 2: Convert to fraction form
    577,851.40/866,517.90 = 222,747.40/x
  3. Step 3: Cross multiply
    577,851.40x = 866,517.90 × 222,747.40
  4. Step 4: Simplify right side
    577,851.40x = 193,014,609,278.46
  5. Step 5: Solve for x
    x = 193,014,609,278.46/577,851.40
  6. Step 6: Final answer
    x = 334,021.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.