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Finding the Fourth Proportional to 404,748.30, 607,195.35 and 168,114.90

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Solution

The fourth proportional to 404,748.30, 607,195.35 and 168,114.90 is: 252,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,748.30 : 607,195.35 = 168,114.90 : x
  2. Step 2: Convert to fraction form
    404,748.30/607,195.35 = 168,114.90/x
  3. Step 3: Cross multiply
    404,748.30x = 607,195.35 × 168,114.90
  4. Step 4: Simplify right side
    404,748.30x = 102,078,585,545.72
  5. Step 5: Solve for x
    x = 102,078,585,545.72/404,748.30
  6. Step 6: Final answer
    x = 252,202.63

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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.