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Finding the Fourth Proportional to 365,187.78, 503,922.21 and 250,565.10

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Solution

The fourth proportional to 365,187.78, 503,922.21 and 250,565.10 is: 345,754.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,187.78 : 503,922.21 = 250,565.10 : x
  2. Step 2: Convert to fraction form
    365,187.78/503,922.21 = 250,565.10/x
  3. Step 3: Cross multiply
    365,187.78x = 503,922.21 × 250,565.10
  4. Step 4: Simplify right side
    365,187.78x = 126,265,318,940.87
  5. Step 5: Solve for x
    x = 126,265,318,940.87/365,187.78
  6. Step 6: Final answer
    x = 345,754.50

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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.