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Finding the Fourth Proportional to 404,233.70, 606,352.65 and 104,693.30

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Solution

The fourth proportional to 404,233.70, 606,352.65 and 104,693.30 is: 157,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,233.70 : 606,352.65 = 104,693.30 : x
  2. Step 2: Convert to fraction form
    404,233.70/606,352.65 = 104,693.30/x
  3. Step 3: Cross multiply
    404,233.70x = 606,352.65 × 104,693.30
  4. Step 4: Simplify right side
    404,233.70x = 63,481,059,892.25
  5. Step 5: Solve for x
    x = 63,481,059,892.25/404,233.70
  6. Step 6: Final answer
    x = 157,040.49

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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.