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Finding the Fourth Proportional to 365,908.40, 548,603.40 and 166,324.40

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Solution

The fourth proportional to 365,908.40, 548,603.40 and 166,324.40 is: 249,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,908.40 : 548,603.40 = 166,324.40 : x
  2. Step 2: Convert to fraction form
    365,908.40/548,603.40 = 166,324.40/x
  3. Step 3: Cross multiply
    365,908.40x = 548,603.40 × 166,324.40
  4. Step 4: Simplify right side
    365,908.40x = 91,246,131,342.96
  5. Step 5: Solve for x
    x = 91,246,131,342.96/365,908.40
  6. Step 6: Final answer
    x = 249,368.78

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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.