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Finding the Fourth Proportional to 508,080.94, 701,183.16 and 281,726.44

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Solution

The fourth proportional to 508,080.94, 701,183.16 and 281,726.44 is: 388,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,080.94 : 701,183.16 = 281,726.44 : x
  2. Step 2: Convert to fraction form
    508,080.94/701,183.16 = 281,726.44/x
  3. Step 3: Cross multiply
    508,080.94x = 701,183.16 × 281,726.44
  4. Step 4: Simplify right side
    508,080.94x = 197,541,833,701.79
  5. Step 5: Solve for x
    x = 197,541,833,701.79/508,080.94
  6. Step 6: Final answer
    x = 388,799.93

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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.