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Finding the Fourth Proportional to 577,553.64, 866,273.34 and 178,086.60

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Solution

The fourth proportional to 577,553.64, 866,273.34 and 178,086.60 is: 267,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,553.64 : 866,273.34 = 178,086.60 : x
  2. Step 2: Convert to fraction form
    577,553.64/866,273.34 = 178,086.60/x
  3. Step 3: Cross multiply
    577,553.64x = 866,273.34 × 178,086.60
  4. Step 4: Simplify right side
    577,553.64x = 154,271,673,791.24
  5. Step 5: Solve for x
    x = 154,271,673,791.24/577,553.64
  6. Step 6: Final answer
    x = 267,112.29

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1.5x scale

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.