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Finding the Fourth Proportional to 443,114.40, 663,796.80 and 265,092.60

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Solution

The fourth proportional to 443,114.40, 663,796.80 and 265,092.60 is: 397,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,114.40 : 663,796.80 = 265,092.60 : x
  2. Step 2: Convert to fraction form
    443,114.40/663,796.80 = 265,092.60/x
  3. Step 3: Cross multiply
    443,114.40x = 663,796.80 × 265,092.60
  4. Step 4: Simplify right side
    443,114.40x = 175,967,619,583.68
  5. Step 5: Solve for x
    x = 175,967,619,583.68/443,114.40
  6. Step 6: Final answer
    x = 397,115.55

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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.