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Finding the Fourth Proportional to 422,788.73, 583,472.30 and 250,808.52

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Solution

The fourth proportional to 422,788.73, 583,472.30 and 250,808.52 is: 346,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,788.73 : 583,472.30 = 250,808.52 : x
  2. Step 2: Convert to fraction form
    422,788.73/583,472.30 = 250,808.52/x
  3. Step 3: Cross multiply
    422,788.73x = 583,472.30 × 250,808.52
  4. Step 4: Simplify right side
    422,788.73x = 146,339,823,499.29
  5. Step 5: Solve for x
    x = 146,339,823,499.29/422,788.73
  6. Step 6: Final answer
    x = 346,129.90

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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.