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Finding the Fourth Proportional to 481,774.88, 664,871.10 and 266,914.93

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Solution

The fourth proportional to 481,774.88, 664,871.10 and 266,914.93 is: 368,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,774.88 : 664,871.10 = 266,914.93 : x
  2. Step 2: Convert to fraction form
    481,774.88/664,871.10 = 266,914.93/x
  3. Step 3: Cross multiply
    481,774.88x = 664,871.10 × 266,914.93
  4. Step 4: Simplify right side
    481,774.88x = 177,464,023,115.52
  5. Step 5: Solve for x
    x = 177,464,023,115.52/481,774.88
  6. Step 6: Final answer
    x = 368,354.66

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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.