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Finding the Fourth Proportional to 575,324.40, 863,196.99 and 267,723.06

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Solution

The fourth proportional to 575,324.40, 863,196.99 and 267,723.06 is: 401,682.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,324.40 : 863,196.99 = 267,723.06 : x
  2. Step 2: Convert to fraction form
    575,324.40/863,196.99 = 267,723.06/x
  3. Step 3: Cross multiply
    575,324.40x = 863,196.99 × 267,723.06
  4. Step 4: Simplify right side
    575,324.40x = 231,097,739,545.59
  5. Step 5: Solve for x
    x = 231,097,739,545.59/575,324.40
  6. Step 6: Final answer
    x = 401,682.49

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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.