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Finding the Fourth Proportional to 484,562.57, 668,684.43 and 266,769.43

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Solution

The fourth proportional to 484,562.57, 668,684.43 and 266,769.43 is: 368,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,562.57 : 668,684.43 = 266,769.43 : x
  2. Step 2: Convert to fraction form
    484,562.57/668,684.43 = 266,769.43/x
  3. Step 3: Cross multiply
    484,562.57x = 668,684.43 × 266,769.43
  4. Step 4: Simplify right side
    484,562.57x = 178,384,562,569.26
  5. Step 5: Solve for x
    x = 178,384,562,569.26/484,562.57
  6. Step 6: Final answer
    x = 368,135.25

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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.