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Finding the Fourth Proportional to 371,241.59, 511,926.14 and 220,309.43

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Solution

The fourth proportional to 371,241.59, 511,926.14 and 220,309.43 is: 303,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,241.59 : 511,926.14 = 220,309.43 : x
  2. Step 2: Convert to fraction form
    371,241.59/511,926.14 = 220,309.43/x
  3. Step 3: Cross multiply
    371,241.59x = 511,926.14 × 220,309.43
  4. Step 4: Simplify right side
    371,241.59x = 112,782,154,096.64
  5. Step 5: Solve for x
    x = 112,782,154,096.64/371,241.59
  6. Step 6: Final answer
    x = 303,797.20

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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.