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Finding the Fourth Proportional to 481,461.48, 664,408.72 and 266,596.93

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Solution

The fourth proportional to 481,461.48, 664,408.72 and 266,596.93 is: 367,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,461.48 : 664,408.72 = 266,596.93 : x
  2. Step 2: Convert to fraction form
    481,461.48/664,408.72 = 266,596.93/x
  3. Step 3: Cross multiply
    481,461.48x = 664,408.72 × 266,596.93
  4. Step 4: Simplify right side
    481,461.48x = 177,129,320,362.20
  5. Step 5: Solve for x
    x = 177,129,320,362.20/481,461.48
  6. Step 6: Final answer
    x = 367,899.26

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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.