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Finding the Fourth Proportional to 481,064.37, 663,858.90 and 266,204.31

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Solution

The fourth proportional to 481,064.37, 663,858.90 and 266,204.31 is: 367,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,064.37 : 663,858.90 = 266,204.31 : x
  2. Step 2: Convert to fraction form
    481,064.37/663,858.90 = 266,204.31/x
  3. Step 3: Cross multiply
    481,064.37x = 663,858.90 × 266,204.31
  4. Step 4: Simplify right side
    481,064.37x = 176,722,100,411.86
  5. Step 5: Solve for x
    x = 176,722,100,411.86/481,064.37
  6. Step 6: Final answer
    x = 367,356.45

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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.