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Finding the Fourth Proportional to 519,676.38, 717,147.99 and 293,331.42

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Solution

The fourth proportional to 519,676.38, 717,147.99 and 293,331.42 is: 404,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,676.38 : 717,147.99 = 293,331.42 : x
  2. Step 2: Convert to fraction form
    519,676.38/717,147.99 = 293,331.42/x
  3. Step 3: Cross multiply
    519,676.38x = 717,147.99 × 293,331.42
  4. Step 4: Simplify right side
    519,676.38x = 210,362,038,256.85
  5. Step 5: Solve for x
    x = 210,362,038,256.85/519,676.38
  6. Step 6: Final answer
    x = 404,794.30

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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.