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Finding the Fourth Proportional to 481,888.12, 665,030.64 and 267,052.36

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Solution

The fourth proportional to 481,888.12, 665,030.64 and 267,052.36 is: 368,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,888.12 : 665,030.64 = 267,052.36 : x
  2. Step 2: Convert to fraction form
    481,888.12/665,030.64 = 267,052.36/x
  3. Step 3: Cross multiply
    481,888.12x = 665,030.64 × 267,052.36
  4. Step 4: Simplify right side
    481,888.12x = 177,598,001,884.31
  5. Step 5: Solve for x
    x = 177,598,001,884.31/481,888.12
  6. Step 6: Final answer
    x = 368,546.13

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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.