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Finding the Fourth Proportional to 436,262.34, 654,394.72 and 236,676.72

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Solution

The fourth proportional to 436,262.34, 654,394.72 and 236,676.72 is: 355,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,262.34 : 654,394.72 = 236,676.72 : x
  2. Step 2: Convert to fraction form
    436,262.34/654,394.72 = 236,676.72/x
  3. Step 3: Cross multiply
    436,262.34x = 654,394.72 × 236,676.72
  4. Step 4: Simplify right side
    436,262.34x = 154,879,995,914.92
  5. Step 5: Solve for x
    x = 154,879,995,914.92/436,262.34
  6. Step 6: Final answer
    x = 355,015.74

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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.