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Finding the Fourth Proportional to 535,676.88, 739,245.24 and 293,945.34

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Solution

The fourth proportional to 535,676.88, 739,245.24 and 293,945.34 is: 405,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,676.88 : 739,245.24 = 293,945.34 : x
  2. Step 2: Convert to fraction form
    535,676.88/739,245.24 = 293,945.34/x
  3. Step 3: Cross multiply
    535,676.88x = 739,245.24 × 293,945.34
  4. Step 4: Simplify right side
    535,676.88x = 217,297,693,415.18
  5. Step 5: Solve for x
    x = 217,297,693,415.18/535,676.88
  6. Step 6: Final answer
    x = 405,650.69

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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.