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Finding the Fourth Proportional to 476,198.28, 714,215.28 and 134,665.56

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Solution

The fourth proportional to 476,198.28, 714,215.28 and 134,665.56 is: 201,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,198.28 : 714,215.28 = 134,665.56 : x
  2. Step 2: Convert to fraction form
    476,198.28/714,215.28 = 134,665.56/x
  3. Step 3: Cross multiply
    476,198.28x = 714,215.28 × 134,665.56
  4. Step 4: Simplify right side
    476,198.28x = 96,180,200,641.76
  5. Step 5: Solve for x
    x = 96,180,200,641.76/476,198.28
  6. Step 6: Final answer
    x = 201,975.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.