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Finding the Fourth Proportional to 218,010.40, 327,890.40 and 195,265.60

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Solution

The fourth proportional to 218,010.40, 327,890.40 and 195,265.60 is: 293,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,010.40 : 327,890.40 = 195,265.60 : x
  2. Step 2: Convert to fraction form
    218,010.40/327,890.40 = 195,265.60/x
  3. Step 3: Cross multiply
    218,010.40x = 327,890.40 × 195,265.60
  4. Step 4: Simplify right side
    218,010.40x = 64,025,715,690.24
  5. Step 5: Solve for x
    x = 64,025,715,690.24/218,010.40
  6. Step 6: Final answer
    x = 293,681.93

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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.