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Finding the Fourth Proportional to 484,114.62, 668,074.41 and 266,318.58

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Solution

The fourth proportional to 484,114.62, 668,074.41 and 266,318.58 is: 367,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,114.62 : 668,074.41 = 266,318.58 : x
  2. Step 2: Convert to fraction form
    484,114.62/668,074.41 = 266,318.58/x
  3. Step 3: Cross multiply
    484,114.62x = 668,074.41 × 266,318.58
  4. Step 4: Simplify right side
    484,114.62x = 177,920,628,205.54
  5. Step 5: Solve for x
    x = 177,920,628,205.54/484,114.62
  6. Step 6: Final answer
    x = 367,517.57

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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.