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Finding the Fourth Proportional to 481,820.68, 722,845.86 and 166,280.32

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Solution

The fourth proportional to 481,820.68, 722,845.86 and 166,280.32 is: 249,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,820.68 : 722,845.86 = 166,280.32 : x
  2. Step 2: Convert to fraction form
    481,820.68/722,845.86 = 166,280.32/x
  3. Step 3: Cross multiply
    481,820.68x = 722,845.86 × 166,280.32
  4. Step 4: Simplify right side
    481,820.68x = 120,195,040,911.48
  5. Step 5: Solve for x
    x = 120,195,040,911.48/481,820.68
  6. Step 6: Final answer
    x = 249,460.11

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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.