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Finding the Fourth Proportional to 577,633.88, 866,462.70 and 178,274.92

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Solution

The fourth proportional to 577,633.88, 866,462.70 and 178,274.92 is: 267,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,633.88 : 866,462.70 = 178,274.92 : x
  2. Step 2: Convert to fraction form
    577,633.88/866,462.70 = 178,274.92/x
  3. Step 3: Cross multiply
    577,633.88x = 866,462.70 × 178,274.92
  4. Step 4: Simplify right side
    577,633.88x = 154,468,568,525.48
  5. Step 5: Solve for x
    x = 154,468,568,525.48/577,633.88
  6. Step 6: Final answer
    x = 267,416.05

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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.