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Finding the Fourth Proportional to 433,590.08, 650,381.52 and 338,899.85

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Solution

The fourth proportional to 433,590.08, 650,381.52 and 338,899.85 is: 508,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,590.08 : 650,381.52 = 338,899.85 : x
  2. Step 2: Convert to fraction form
    433,590.08/650,381.52 = 338,899.85/x
  3. Step 3: Cross multiply
    433,590.08x = 650,381.52 × 338,899.85
  4. Step 4: Simplify right side
    433,590.08x = 220,414,199,951.56
  5. Step 5: Solve for x
    x = 220,414,199,951.56/433,590.08
  6. Step 6: Final answer
    x = 508,346.97

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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.