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Finding the Fourth Proportional to 363,007.55, 545,094.53 and 274,361.15

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Solution

The fourth proportional to 363,007.55, 545,094.53 and 274,361.15 is: 411,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,007.55 : 545,094.53 = 274,361.15 : x
  2. Step 2: Convert to fraction form
    363,007.55/545,094.53 = 274,361.15/x
  3. Step 3: Cross multiply
    363,007.55x = 545,094.53 × 274,361.15
  4. Step 4: Simplify right side
    363,007.55x = 149,552,760,737.70
  5. Step 5: Solve for x
    x = 149,552,760,737.70/363,007.55
  6. Step 6: Final answer
    x = 411,982.51

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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.