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Finding the Fourth Proportional to 508,486.50, 699,223.05 and 441,301.86

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Solution

The fourth proportional to 508,486.50, 699,223.05 and 441,301.86 is: 606,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,486.50 : 699,223.05 = 441,301.86 : x
  2. Step 2: Convert to fraction form
    508,486.50/699,223.05 = 441,301.86/x
  3. Step 3: Cross multiply
    508,486.50x = 699,223.05 × 441,301.86
  4. Step 4: Simplify right side
    508,486.50x = 308,568,432,519.87
  5. Step 5: Solve for x
    x = 308,568,432,519.87/508,486.50
  6. Step 6: Final answer
    x = 606,837.02

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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.