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Finding the Fourth Proportional to 400,590.01, 552,814.17 and 219,301.37

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Solution

The fourth proportional to 400,590.01, 552,814.17 and 219,301.37 is: 302,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,590.01 : 552,814.17 = 219,301.37 : x
  2. Step 2: Convert to fraction form
    400,590.01/552,814.17 = 219,301.37/x
  3. Step 3: Cross multiply
    400,590.01x = 552,814.17 × 219,301.37
  4. Step 4: Simplify right side
    400,590.01x = 121,232,904,836.41
  5. Step 5: Solve for x
    x = 121,232,904,836.41/400,590.01
  6. Step 6: Final answer
    x = 302,635.87

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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.