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Finding the Fourth Proportional to 299,670.88, 413,553.90 and 178,882.24

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Solution

The fourth proportional to 299,670.88, 413,553.90 and 178,882.24 is: 246,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,670.88 : 413,553.90 = 178,882.24 : x
  2. Step 2: Convert to fraction form
    299,670.88/413,553.90 = 178,882.24/x
  3. Step 3: Cross multiply
    299,670.88x = 413,553.90 × 178,882.24
  4. Step 4: Simplify right side
    299,670.88x = 73,977,447,992.74
  5. Step 5: Solve for x
    x = 73,977,447,992.74/299,670.88
  6. Step 6: Final answer
    x = 246,862.32

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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.