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Finding the Fourth Proportional to 392,802.62, 589,241.98 and 156,092.26

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Solution

The fourth proportional to 392,802.62, 589,241.98 and 156,092.26 is: 234,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,802.62 : 589,241.98 = 156,092.26 : x
  2. Step 2: Convert to fraction form
    392,802.62/589,241.98 = 156,092.26/x
  3. Step 3: Cross multiply
    392,802.62x = 589,241.98 × 156,092.26
  4. Step 4: Simplify right side
    392,802.62x = 91,976,112,345.07
  5. Step 5: Solve for x
    x = 91,976,112,345.07/392,802.62
  6. Step 6: Final answer
    x = 234,153.51

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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.