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Finding the Fourth Proportional to 336,792, 505,403.10 and 159,309.48

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Solution

The fourth proportional to 336,792, 505,403.10 and 159,309.48 is: 239,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,792 : 505,403.10 = 159,309.48 : x
  2. Step 2: Convert to fraction form
    336,792/505,403.10 = 159,309.48/x
  3. Step 3: Cross multiply
    336,792x = 505,403.10 × 159,309.48
  4. Step 4: Simplify right side
    336,792x = 80,515,505,051.39
  5. Step 5: Solve for x
    x = 80,515,505,051.39/336,792
  6. Step 6: Final answer
    x = 239,065.97

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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.