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Finding the Fourth Proportional to 292,327.92, 403,424.04 and 165,007.92

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Solution

The fourth proportional to 292,327.92, 403,424.04 and 165,007.92 is: 227,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,327.92 : 403,424.04 = 165,007.92 : x
  2. Step 2: Convert to fraction form
    292,327.92/403,424.04 = 165,007.92/x
  3. Step 3: Cross multiply
    292,327.92x = 403,424.04 × 165,007.92
  4. Step 4: Simplify right side
    292,327.92x = 66,568,161,718.40
  5. Step 5: Solve for x
    x = 66,568,161,718.40/292,327.92
  6. Step 6: Final answer
    x = 227,717.43

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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.