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Finding the Fourth Proportional to 292,940.56, 404,264.82 and 165,623.68

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Solution

The fourth proportional to 292,940.56, 404,264.82 and 165,623.68 is: 228,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,940.56 : 404,264.82 = 165,623.68 : x
  2. Step 2: Convert to fraction form
    292,940.56/404,264.82 = 165,623.68/x
  3. Step 3: Cross multiply
    292,940.56x = 404,264.82 × 165,623.68
  4. Step 4: Simplify right side
    292,940.56x = 66,955,827,182.94
  5. Step 5: Solve for x
    x = 66,955,827,182.94/292,940.56
  6. Step 6: Final answer
    x = 228,564.55

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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.