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Finding the Fourth Proportional to 481,593.60, 722,606.40 and 166,276.80

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Solution

The fourth proportional to 481,593.60, 722,606.40 and 166,276.80 is: 249,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,593.60 : 722,606.40 = 166,276.80 : x
  2. Step 2: Convert to fraction form
    481,593.60/722,606.40 = 166,276.80/x
  3. Step 3: Cross multiply
    481,593.60x = 722,606.40 × 166,276.80
  4. Step 4: Simplify right side
    481,593.60x = 120,152,679,851.52
  5. Step 5: Solve for x
    x = 120,152,679,851.52/481,593.60
  6. Step 6: Final answer
    x = 249,489.78

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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.