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Finding the Fourth Proportional to 366,942.52, 550,468.50 and 130,265.38

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Solution

The fourth proportional to 366,942.52, 550,468.50 and 130,265.38 is: 195,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,942.52 : 550,468.50 = 130,265.38 : x
  2. Step 2: Convert to fraction form
    366,942.52/550,468.50 = 130,265.38/x
  3. Step 3: Cross multiply
    366,942.52x = 550,468.50 × 130,265.38
  4. Step 4: Simplify right side
    366,942.52x = 71,706,988,330.53
  5. Step 5: Solve for x
    x = 71,706,988,330.53/366,942.52
  6. Step 6: Final answer
    x = 195,417.50

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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.