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Finding the Fourth Proportional to 484,081.47, 668,022.92 and 269,216.91

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Solution

The fourth proportional to 484,081.47, 668,022.92 and 269,216.91 is: 371,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,081.47 : 668,022.92 = 269,216.91 : x
  2. Step 2: Convert to fraction form
    484,081.47/668,022.92 = 269,216.91/x
  3. Step 3: Cross multiply
    484,081.47x = 668,022.92 × 269,216.91
  4. Step 4: Simplify right side
    484,081.47x = 179,843,064,985.49
  5. Step 5: Solve for x
    x = 179,843,064,985.49/484,081.47
  6. Step 6: Final answer
    x = 371,514.04

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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.