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Finding the Fourth Proportional to 481,250.45, 664,117.58 and 266,385.90

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Solution

The fourth proportional to 481,250.45, 664,117.58 and 266,385.90 is: 367,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,250.45 : 664,117.58 = 266,385.90 : x
  2. Step 2: Convert to fraction form
    481,250.45/664,117.58 = 266,385.90/x
  3. Step 3: Cross multiply
    481,250.45x = 664,117.58 × 266,385.90
  4. Step 4: Simplify right side
    481,250.45x = 176,911,557,922.19
  5. Step 5: Solve for x
    x = 176,911,557,922.19/481,250.45
  6. Step 6: Final answer
    x = 367,608.09

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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.