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Finding the Fourth Proportional to 481,409.02, 664,365.18 and 266,549.06

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Solution

The fourth proportional to 481,409.02, 664,365.18 and 266,549.06 is: 367,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,409.02 : 664,365.18 = 266,549.06 : x
  2. Step 2: Convert to fraction form
    481,409.02/664,365.18 = 266,549.06/x
  3. Step 3: Cross multiply
    481,409.02x = 664,365.18 × 266,549.06
  4. Step 4: Simplify right side
    481,409.02x = 177,085,914,225.73
  5. Step 5: Solve for x
    x = 177,085,914,225.73/481,409.02
  6. Step 6: Final answer
    x = 367,849.18

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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.