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Finding the Fourth Proportional to 503,679.73, 755,338.14 and 166,658.17

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Solution

The fourth proportional to 503,679.73, 755,338.14 and 166,658.17 is: 249,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,679.73 : 755,338.14 = 166,658.17 : x
  2. Step 2: Convert to fraction form
    503,679.73/755,338.14 = 166,658.17/x
  3. Step 3: Cross multiply
    503,679.73x = 755,338.14 × 166,658.17
  4. Step 4: Simplify right side
    503,679.73x = 125,883,272,143.60
  5. Step 5: Solve for x
    x = 125,883,272,143.60/503,679.73
  6. Step 6: Final answer
    x = 249,927.21

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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.