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Finding the Fourth Proportional to 605,431.13, 835,495.16 and 350,929.94

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Solution

The fourth proportional to 605,431.13, 835,495.16 and 350,929.94 is: 484,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,431.13 : 835,495.16 = 350,929.94 : x
  2. Step 2: Convert to fraction form
    605,431.13/835,495.16 = 350,929.94/x
  3. Step 3: Cross multiply
    605,431.13x = 835,495.16 × 350,929.94
  4. Step 4: Simplify right side
    605,431.13x = 293,200,260,436.97
  5. Step 5: Solve for x
    x = 293,200,260,436.97/605,431.13
  6. Step 6: Final answer
    x = 484,283.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.