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Finding the Fourth Proportional to 404,821.92, 607,231.60 and 109,333.92

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Solution

The fourth proportional to 404,821.92, 607,231.60 and 109,333.92 is: 164,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,821.92 : 607,231.60 = 109,333.92 : x
  2. Step 2: Convert to fraction form
    404,821.92/607,231.60 = 109,333.92/x
  3. Step 3: Cross multiply
    404,821.92x = 607,231.60 × 109,333.92
  4. Step 4: Simplify right side
    404,821.92x = 66,391,011,175.87
  5. Step 5: Solve for x
    x = 66,391,011,175.87/404,821.92
  6. Step 6: Final answer
    x = 164,000.53

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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.