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Finding the Fourth Proportional to 293,696.60, 440,618.67 and 83,334.51

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Solution

The fourth proportional to 293,696.60, 440,618.67 and 83,334.51 is: 125,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,696.60 : 440,618.67 = 83,334.51 : x
  2. Step 2: Convert to fraction form
    293,696.60/440,618.67 = 83,334.51/x
  3. Step 3: Cross multiply
    293,696.60x = 440,618.67 × 83,334.51
  4. Step 4: Simplify right side
    293,696.60x = 36,718,740,961.30
  5. Step 5: Solve for x
    x = 36,718,740,961.30/293,696.60
  6. Step 6: Final answer
    x = 125,022.70

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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.