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Finding the Fourth Proportional to 585,781.66, 878,336.04 and 230,601.88

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Solution

The fourth proportional to 585,781.66, 878,336.04 and 230,601.88 is: 345,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,781.66 : 878,336.04 = 230,601.88 : x
  2. Step 2: Convert to fraction form
    585,781.66/878,336.04 = 230,601.88/x
  3. Step 3: Cross multiply
    585,781.66x = 878,336.04 × 230,601.88
  4. Step 4: Simplify right side
    585,781.66x = 202,545,942,095.76
  5. Step 5: Solve for x
    x = 202,545,942,095.76/585,781.66
  6. Step 6: Final answer
    x = 345,770.37

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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.