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Finding the Fourth Proportional to 299,710.60, 448,982.70 and 166,352.20

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Solution

The fourth proportional to 299,710.60, 448,982.70 and 166,352.20 is: 249,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,710.60 : 448,982.70 = 166,352.20 : x
  2. Step 2: Convert to fraction form
    299,710.60/448,982.70 = 166,352.20/x
  3. Step 3: Cross multiply
    299,710.60x = 448,982.70 × 166,352.20
  4. Step 4: Simplify right side
    299,710.60x = 74,689,259,906.94
  5. Step 5: Solve for x
    x = 74,689,259,906.94/299,710.60
  6. Step 6: Final answer
    x = 249,204.60

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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.