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Finding the Fourth Proportional to 404,829.30, 607,316.85 and 168,195.90

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Solution

The fourth proportional to 404,829.30, 607,316.85 and 168,195.90 is: 252,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,829.30 : 607,316.85 = 168,195.90 : x
  2. Step 2: Convert to fraction form
    404,829.30/607,316.85 = 168,195.90/x
  3. Step 3: Cross multiply
    404,829.30x = 607,316.85 × 168,195.90
  4. Step 4: Simplify right side
    404,829.30x = 102,148,204,170.92
  5. Step 5: Solve for x
    x = 102,148,204,170.92/404,829.30
  6. Step 6: Final answer
    x = 252,324.14

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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.