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Finding the Fourth Proportional to 484,116, 668,103.76 and 269,251.48

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Solution

The fourth proportional to 484,116, 668,103.76 and 269,251.48 is: 371,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,116 : 668,103.76 = 269,251.48 : x
  2. Step 2: Convert to fraction form
    484,116/668,103.76 = 269,251.48/x
  3. Step 3: Cross multiply
    484,116x = 668,103.76 × 269,251.48
  4. Step 4: Simplify right side
    484,116x = 179,887,926,173.57
  5. Step 5: Solve for x
    x = 179,887,926,173.57/484,116
  6. Step 6: Final answer
    x = 371,580.21

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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.