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Finding the Fourth Proportional to 577,560.33, 866,023.38 and 178,090.20

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Solution

The fourth proportional to 577,560.33, 866,023.38 and 178,090.20 is: 267,037.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,560.33 : 866,023.38 = 178,090.20 : x
  2. Step 2: Convert to fraction form
    577,560.33/866,023.38 = 178,090.20/x
  3. Step 3: Cross multiply
    577,560.33x = 866,023.38 × 178,090.20
  4. Step 4: Simplify right side
    577,560.33x = 154,230,276,948.88
  5. Step 5: Solve for x
    x = 154,230,276,948.88/577,560.33
  6. Step 6: Final answer
    x = 267,037.52

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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.