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Finding the Fourth Proportional to 357,519.28, 536,270.68 and 179,978.60

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Solution

The fourth proportional to 357,519.28, 536,270.68 and 179,978.60 is: 269,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,519.28 : 536,270.68 = 179,978.60 : x
  2. Step 2: Convert to fraction form
    357,519.28/536,270.68 = 179,978.60/x
  3. Step 3: Cross multiply
    357,519.28x = 536,270.68 × 179,978.60
  4. Step 4: Simplify right side
    357,519.28x = 96,517,246,207.45
  5. Step 5: Solve for x
    x = 96,517,246,207.45/357,519.28
  6. Step 6: Final answer
    x = 269,963.75

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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.