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Finding the Fourth Proportional to 481,255.84, 664,134.32 and 266,410.72

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Solution

The fourth proportional to 481,255.84, 664,134.32 and 266,410.72 is: 367,647.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,255.84 : 664,134.32 = 266,410.72 : x
  2. Step 2: Convert to fraction form
    481,255.84/664,134.32 = 266,410.72/x
  3. Step 3: Cross multiply
    481,255.84x = 664,134.32 × 266,410.72
  4. Step 4: Simplify right side
    481,255.84x = 176,932,502,367.91
  5. Step 5: Solve for x
    x = 176,932,502,367.91/481,255.84
  6. Step 6: Final answer
    x = 367,647.49

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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.