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Finding the Fourth Proportional to 484,980.92, 669,247.08 and 267,146.90

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Solution

The fourth proportional to 484,980.92, 669,247.08 and 267,146.90 is: 368,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,980.92 : 669,247.08 = 267,146.90 : x
  2. Step 2: Convert to fraction form
    484,980.92/669,247.08 = 267,146.90/x
  3. Step 3: Cross multiply
    484,980.92x = 669,247.08 × 267,146.90
  4. Step 4: Simplify right side
    484,980.92x = 178,787,282,756.05
  5. Step 5: Solve for x
    x = 178,787,282,756.05/484,980.92
  6. Step 6: Final answer
    x = 368,648.08

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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.