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Finding the Fourth Proportional to 481,563.50, 664,559.85 and 266,699.06

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Solution

The fourth proportional to 481,563.50, 664,559.85 and 266,699.06 is: 368,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,563.50 : 664,559.85 = 266,699.06 : x
  2. Step 2: Convert to fraction form
    481,563.50/664,559.85 = 266,699.06/x
  3. Step 3: Cross multiply
    481,563.50x = 664,559.85 × 266,699.06
  4. Step 4: Simplify right side
    481,563.50x = 177,237,487,308.74
  5. Step 5: Solve for x
    x = 177,237,487,308.74/481,563.50
  6. Step 6: Final answer
    x = 368,045.93

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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.