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Finding the Fourth Proportional to 332,676.03, 458,932.88 and 217,905

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Solution

The fourth proportional to 332,676.03, 458,932.88 and 217,905 is: 300,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,676.03 : 458,932.88 = 217,905 : x
  2. Step 2: Convert to fraction form
    332,676.03/458,932.88 = 217,905/x
  3. Step 3: Cross multiply
    332,676.03x = 458,932.88 × 217,905
  4. Step 4: Simplify right side
    332,676.03x = 100,003,768,126.88
  5. Step 5: Solve for x
    x = 100,003,768,126.88/332,676.03
  6. Step 6: Final answer
    x = 300,604.07

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1.5x scale

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.