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Finding the Fourth Proportional to 481,462.47, 664,410.09 and 266,597.93

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Solution

The fourth proportional to 481,462.47, 664,410.09 and 266,597.93 is: 367,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,462.47 : 664,410.09 = 266,597.93 : x
  2. Step 2: Convert to fraction form
    481,462.47/664,410.09 = 266,597.93/x
  3. Step 3: Cross multiply
    481,462.47x = 664,410.09 × 266,597.93
  4. Step 4: Simplify right side
    481,462.47x = 177,130,351,343.06
  5. Step 5: Solve for x
    x = 177,130,351,343.06/481,462.47
  6. Step 6: Final answer
    x = 367,900.64

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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.