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Finding the Fourth Proportional to 506,808.20, 699,196.37 and 325,494.96

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Solution

The fourth proportional to 506,808.20, 699,196.37 and 325,494.96 is: 449,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,808.20 : 699,196.37 = 325,494.96 : x
  2. Step 2: Convert to fraction form
    506,808.20/699,196.37 = 325,494.96/x
  3. Step 3: Cross multiply
    506,808.20x = 699,196.37 × 325,494.96
  4. Step 4: Simplify right side
    506,808.20x = 227,584,892,857.82
  5. Step 5: Solve for x
    x = 227,584,892,857.82/506,808.20
  6. Step 6: Final answer
    x = 449,055.27

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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.