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Finding the Fourth Proportional to 427,862.46, 590,427.69 and 234,233.04

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Solution

The fourth proportional to 427,862.46, 590,427.69 and 234,233.04 is: 323,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,862.46 : 590,427.69 = 234,233.04 : x
  2. Step 2: Convert to fraction form
    427,862.46/590,427.69 = 234,233.04/x
  3. Step 3: Cross multiply
    427,862.46x = 590,427.69 × 234,233.04
  4. Step 4: Simplify right side
    427,862.46x = 138,297,672,728.88
  5. Step 5: Solve for x
    x = 138,297,672,728.88/427,862.46
  6. Step 6: Final answer
    x = 323,229.27

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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.