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Finding the Fourth Proportional to 436,854.44, 655,326.37 and 167,209.11

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Solution

The fourth proportional to 436,854.44, 655,326.37 and 167,209.11 is: 250,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,854.44 : 655,326.37 = 167,209.11 : x
  2. Step 2: Convert to fraction form
    436,854.44/655,326.37 = 167,209.11/x
  3. Step 3: Cross multiply
    436,854.44x = 655,326.37 × 167,209.11
  4. Step 4: Simplify right side
    436,854.44x = 109,576,539,087.23
  5. Step 5: Solve for x
    x = 109,576,539,087.23/436,854.44
  6. Step 6: Final answer
    x = 250,830.78

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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.