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Finding the Fourth Proportional to 299,663.64, 449,492.36 and 173,223.42

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Solution

The fourth proportional to 299,663.64, 449,492.36 and 173,223.42 is: 259,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,663.64 : 449,492.36 = 173,223.42 : x
  2. Step 2: Convert to fraction form
    299,663.64/449,492.36 = 173,223.42/x
  3. Step 3: Cross multiply
    299,663.64x = 449,492.36 × 173,223.42
  4. Step 4: Simplify right side
    299,663.64x = 77,862,603,863.07
  5. Step 5: Solve for x
    x = 77,862,603,863.07/299,663.64
  6. Step 6: Final answer
    x = 259,833.34

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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.