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Finding the Fourth Proportional to 401,847.53, 602,911.62 and 251,910.45

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Solution

The fourth proportional to 401,847.53, 602,911.62 and 251,910.45 is: 377,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,847.53 : 602,911.62 = 251,910.45 : x
  2. Step 2: Convert to fraction form
    401,847.53/602,911.62 = 251,910.45/x
  3. Step 3: Cross multiply
    401,847.53x = 602,911.62 × 251,910.45
  4. Step 4: Simplify right side
    401,847.53x = 151,879,737,504.43
  5. Step 5: Solve for x
    x = 151,879,737,504.43/401,847.53
  6. Step 6: Final answer
    x = 377,953.65

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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.