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Finding the Fourth Proportional to 484,208.25, 668,212.49 and 266,419.77

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Solution

The fourth proportional to 484,208.25, 668,212.49 and 266,419.77 is: 367,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,208.25 : 668,212.49 = 266,419.77 : x
  2. Step 2: Convert to fraction form
    484,208.25/668,212.49 = 266,419.77/x
  3. Step 3: Cross multiply
    484,208.25x = 668,212.49 × 266,419.77
  4. Step 4: Simplify right side
    484,208.25x = 178,025,017,377.59
  5. Step 5: Solve for x
    x = 178,025,017,377.59/484,208.25
  6. Step 6: Final answer
    x = 367,662.09

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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.