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Finding the Fourth Proportional to 388,177.44, 582,265.80 and 174,695.82

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Solution

The fourth proportional to 388,177.44, 582,265.80 and 174,695.82 is: 262,043.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,177.44 : 582,265.80 = 174,695.82 : x
  2. Step 2: Convert to fraction form
    388,177.44/582,265.80 = 174,695.82/x
  3. Step 3: Cross multiply
    388,177.44x = 582,265.80 × 174,695.82
  4. Step 4: Simplify right side
    388,177.44x = 101,719,401,388.96
  5. Step 5: Solve for x
    x = 101,719,401,388.96/388,177.44
  6. Step 6: Final answer
    x = 262,043.57

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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.