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Finding the Fourth Proportional to 580,479.72, 801,441.39 and 377,110.25

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Solution

The fourth proportional to 580,479.72, 801,441.39 and 377,110.25 is: 520,658.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,479.72 : 801,441.39 = 377,110.25 : x
  2. Step 2: Convert to fraction form
    580,479.72/801,441.39 = 377,110.25/x
  3. Step 3: Cross multiply
    580,479.72x = 801,441.39 × 377,110.25
  4. Step 4: Simplify right side
    580,479.72x = 302,231,761,234.36
  5. Step 5: Solve for x
    x = 302,231,761,234.36/580,479.72
  6. Step 6: Final answer
    x = 520,658.61

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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.