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Finding the Fourth Proportional to 481,515.30, 722,359.35 and 201,060.90

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Solution

The fourth proportional to 481,515.30, 722,359.35 and 201,060.90 is: 301,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,515.30 : 722,359.35 = 201,060.90 : x
  2. Step 2: Convert to fraction form
    481,515.30/722,359.35 = 201,060.90/x
  3. Step 3: Cross multiply
    481,515.30x = 722,359.35 × 201,060.90
  4. Step 4: Simplify right side
    481,515.30x = 145,238,221,034.42
  5. Step 5: Solve for x
    x = 145,238,221,034.42/481,515.30
  6. Step 6: Final answer
    x = 301,627.43

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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.