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Finding the Fourth Proportional to 404,489.10, 606,952.35 and 167,855.70

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Solution

The fourth proportional to 404,489.10, 606,952.35 and 167,855.70 is: 251,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,489.10 : 606,952.35 = 167,855.70 : x
  2. Step 2: Convert to fraction form
    404,489.10/606,952.35 = 167,855.70/x
  3. Step 3: Cross multiply
    404,489.10x = 606,952.35 × 167,855.70
  4. Step 4: Simplify right side
    404,489.10x = 101,880,411,575.90
  5. Step 5: Solve for x
    x = 101,880,411,575.90/404,489.10
  6. Step 6: Final answer
    x = 251,874.31

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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.