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Finding the Fourth Proportional to 299,696.73, 413,589.59 and 178,908.10

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Solution

The fourth proportional to 299,696.73, 413,589.59 and 178,908.10 is: 246,898.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,696.73 : 413,589.59 = 178,908.10 : x
  2. Step 2: Convert to fraction form
    299,696.73/413,589.59 = 178,908.10/x
  3. Step 3: Cross multiply
    299,696.73x = 413,589.59 × 178,908.10
  4. Step 4: Simplify right side
    299,696.73x = 73,994,527,726.68
  5. Step 5: Solve for x
    x = 73,994,527,726.68/299,696.73
  6. Step 6: Final answer
    x = 246,898.01

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1.5x scale

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.