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Finding the Fourth Proportional to 481,908.96, 665,038.08 and 267,052.50

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Solution

The fourth proportional to 481,908.96, 665,038.08 and 267,052.50 is: 368,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,908.96 : 665,038.08 = 267,052.50 : x
  2. Step 2: Convert to fraction form
    481,908.96/665,038.08 = 267,052.50/x
  3. Step 3: Cross multiply
    481,908.96x = 665,038.08 × 267,052.50
  4. Step 4: Simplify right side
    481,908.96x = 177,600,081,859.20
  5. Step 5: Solve for x
    x = 177,600,081,859.20/481,908.96
  6. Step 6: Final answer
    x = 368,534.51

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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.