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Finding the Fourth Proportional to 481,764.60, 722,476.80 and 166,148.10

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Solution

The fourth proportional to 481,764.60, 722,476.80 and 166,148.10 is: 249,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,764.60 : 722,476.80 = 166,148.10 : x
  2. Step 2: Convert to fraction form
    481,764.60/722,476.80 = 166,148.10/x
  3. Step 3: Cross multiply
    481,764.60x = 722,476.80 × 166,148.10
  4. Step 4: Simplify right side
    481,764.60x = 120,038,147,614.08
  5. Step 5: Solve for x
    x = 120,038,147,614.08/481,764.60
  6. Step 6: Final answer
    x = 249,163.49

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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.