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Finding the Fourth Proportional to 481,510.80, 722,352.60 and 201,056.40

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Solution

The fourth proportional to 481,510.80, 722,352.60 and 201,056.40 is: 301,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,510.80 : 722,352.60 = 201,056.40 : x
  2. Step 2: Convert to fraction form
    481,510.80/722,352.60 = 201,056.40/x
  3. Step 3: Cross multiply
    481,510.80x = 722,352.60 × 201,056.40
  4. Step 4: Simplify right side
    481,510.80x = 145,233,613,286.64
  5. Step 5: Solve for x
    x = 145,233,613,286.64/481,510.80
  6. Step 6: Final answer
    x = 301,620.68

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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.