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Finding the Fourth Proportional to 292,726.44, 404,028.74 and 165,475.88

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Solution

The fourth proportional to 292,726.44, 404,028.74 and 165,475.88 is: 228,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,726.44 : 404,028.74 = 165,475.88 : x
  2. Step 2: Convert to fraction form
    292,726.44/404,028.74 = 165,475.88/x
  3. Step 3: Cross multiply
    292,726.44x = 404,028.74 × 165,475.88
  4. Step 4: Simplify right side
    292,726.44x = 66,857,011,296.79
  5. Step 5: Solve for x
    x = 66,857,011,296.79/292,726.44
  6. Step 6: Final answer
    x = 228,394.17

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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.