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Finding the Fourth Proportional to 404,367.40, 607,207.20 and 227,220.40

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Solution

The fourth proportional to 404,367.40, 607,207.20 and 227,220.40 is: 341,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,367.40 : 607,207.20 = 227,220.40 : x
  2. Step 2: Convert to fraction form
    404,367.40/607,207.20 = 227,220.40/x
  3. Step 3: Cross multiply
    404,367.40x = 607,207.20 × 227,220.40
  4. Step 4: Simplify right side
    404,367.40x = 137,969,862,866.88
  5. Step 5: Solve for x
    x = 137,969,862,866.88/404,367.40
  6. Step 6: Final answer
    x = 341,199.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.