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Finding the Fourth Proportional to 481,903.45, 665,030.69 and 267,047.10

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Solution

The fourth proportional to 481,903.45, 665,030.69 and 267,047.10 is: 368,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,903.45 : 665,030.69 = 267,047.10 : x
  2. Step 2: Convert to fraction form
    481,903.45/665,030.69 = 267,047.10/x
  3. Step 3: Cross multiply
    481,903.45x = 665,030.69 × 267,047.10
  4. Step 4: Simplify right side
    481,903.45x = 177,594,516,596.18
  5. Step 5: Solve for x
    x = 177,594,516,596.18/481,903.45
  6. Step 6: Final answer
    x = 368,527.18

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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.